14 best diono rear facing convertible car seats

Diono rear-facing convertible car seats are part of Diono's line of car seats designed to provide safety and comfort for infants and toddlers during car travel. Here's what you should know about Diono rear-facing convertible car seats:

  1. Convertible Design: Diono's rear-facing convertible car seats are designed to accommodate children in both rear-facing and forward-facing positions. This versatility allows parents to use the seat as their child grows and transitions from infancy to toddlerhood.

  2. Rear-Facing Safety: Rear-facing car seats are recommended for infants and young children because they provide excellent protection in the event of a crash. Diono's convertible seats prioritize extended rear-facing use, which is safer for young children.

  3. Weight and Height Limits: Diono rear-facing convertible car seats typically have generous weight and height limits for rear-facing use, allowing children to remain rear-facing for an extended period, in line with best safety practices.

  4. Adjustable Recline: Many Diono convertible seats offer adjustable recline positions, ensuring that the seat can be properly installed at the correct angle for a child's age and size.

  5. Safety Features: Diono car seats often include safety features such as a steel-reinforced frame, energy-absorbing foam, and a five-point harness system to provide maximum protection in case of an accident.

  6. Latch and Seatbelt Installation: These car seats can be installed using either the LATCH system or the vehicle's seatbelt, offering flexibility for different vehicle configurations.

  7. Compact Design: Diono pays attention to space-saving designs, allowing for the installation of multiple car seats in the back seat of most vehicles.

  8. Longevity: Diono's rear-facing convertible car seats are often designed to accommodate children from birth to several years old, making them a cost-effective choice for parents who want a car seat that can grow with their child.

  9. Additional Accessories: Diono typically offers a range of car seat accessories, such as cup holders, seat protectors, and travel bags, to enhance the functionality and convenience of their car seats.

  10. Compliance: Diono car seats are tested to meet or exceed safety standards, giving parents peace of mind regarding their child's safety while on the road.

It's important to consult the specific product details and user manuals provided by Diono for the particular model you are interested in to ensure that it meets your child's needs and is compatible with your vehicle. Diono rear-facing convertible car seats are generally well-regarded for their safety features and flexibility in accommodating growing children while keeping them in the rear-facing position for an extended period, which is recommended for safety.

Below you can find our editor's choice of the best diono rear facing convertible car seats on the market
  

Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Black Jet

DiONO

Based on 1 reviews Check latest price

Product description

The original All-in-One convertible car seat designed to fit 3 across and with our famous steel core inside for optimum safety. Now rear facing for even longer up to 50 lb/ 22.7 kg and suitable from birth up to 120 lb/ 54 kg, expect 10 years of safety from just one car seat. Designed and engineered with complete rear facing protection, Radian 3R will keep now your precious cargo rear facing for even longer up to 50 lb/ 22.7kg, approx. 4 years old. Built with a mechanically engineered, reinforced steel core, made from automotive grade high strength steel, the Radian 3R is always ready to shield and protect. And when your family grows, the slim fit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. As travel experts, Diono have naturally built in super portable features to the Radian 3R with original fold for easy transport and storage and steel reinforced cup holders to store essential road trip drinks and snacks. The Radian 3R is also aircraft certified FAA approved, so you can take safety with you wherever you go.

  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
  • HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

User questions & answers

Question: How deep does the vehicle seat have to be for rear facing and for forward facing
Answer: This seat is hard to install properly while rear facing because of its height. The angle of the seat has a lot to do with it. We have a rav4 and a Prius the Prius actually fit better because of the streeper seating angle. They sell a foam angle adjuster that does pretty well in the rav4, but if I was much taller (I'm 5'9") it'd be a tight squeeze up front (the car seat is not supposed to touch the seat in front of it.) These are very well made though and much higher quality than many other seats in the same price range. Plus you can fit 3 across in every vehicle. I'd recommend to anyone.
Question: Is there a seatbelt positioning system as a high back booster seat or do you have to wait until they reach a certain height
Answer: The red "hooks" you see at the top of the seat are vehicle seat belt guides that you use in booster mode.
Question: Can you fit 3 wide in the rear row of 2010 cadillac escalade esv
Answer: You can fit this seat 3 across in most standard size vehicles, in order to fit 3 of the Radian models across in any vehicle you need 51 inches or more of space.
Question: Can the Radian be rear-facing and still give a tall driver (6 ft) enough room? Or will it fit in the middle without hitting the driver's seat? Mazda
Answer: Place it behind the passenger side, if you’re shorter. It you’re 6’ tall, it will be too crowded. You may try it in the middle, but it may still affect the front passengers.

Diono Radian 3RXT, 4-in-1 Convertible Extended Rear and Forward Facing Convertible Car Seat, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Design - Fits 3 Across, Gray Slate

DiONO

Based on 1 reviews Check latest price

Product description

The Diono Radian 3RXT is the original 3 across All-in-One convertible car seat, trusted by over a million parents to protect their child from birth to booster 5 - 120 lb / 2.2 kg - 54 kg.Lovingly engineered with the famous Diono Steel Core and now rear facing for even longer, expect 10 years of safety from just one car seat. The 2020 Radian 3RXT provides safe and comfortable newborn positioning thanks to the new 2-in-1 infant positioning liner with integrated newborn travel high wedge. The wedge creates a lie-flat travel position, pushing baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner to give extra infant comfort and toddler support. Designed and engineered with complete rear facing protection, radian 3RXT will keep now your precious cargo rear facing for even longer up to 50 lb / 22.7 kg, approx. 4 years old. Then as they transition to forward facing, the aluminum reinforced headrest can be adjusted to one of 12 positions for safety that grows with them up to 57” / 145 cm tall. Built with a mechanically engineered, reinforced steel core, made from automotive grade high strength steel, the radian is always ready to shield and protect. And when your family grows, the slim fit design will fit 3 acrosin most vehicles without compromising child safety or passenger comfort. As travel experts, Diono have naturally built in super portable features to the radian 3RXT with original fold for easy transport and storage and steel reinforced cup holders to store essential road trip drinks and snacks. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go!

  • SAFE & COMFORTABLE NEWBORN POSITIONING: Features newborn travel high wedge to create a safe and secure lie-flat travel position. The innovative technology pushes baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner for support
  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old. Seated torso height is 7.5-16.5″ / 19-42 cm
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat, Safe Plus Engineering 4 Stage Infant Protection, 10 Years 1 Car Seat, Slim Design - Fits 3 Across, Blue Sky

DiONO

Based on 250 reviews Check latest price

Product description

The ultimate 3 across All-in-One car seat from birth to booster 4 - 120 lb / 1.8 - 54 kg. Featuring 4 stages of complete newborn protection and all new Diono Safe+ engineering to provide the next generation in car seat safety. From baby's first journey the radian 3QXT provides complete newborn protection, with Safe Plus newborn travel high wedge, Safe Plus newborn protection insert, Safe Plus 2-in-1 infant positioning liner and Safe+ newborn harness pads to provide a custom fit from birth. As your child grows the Safe Plus steel anti-rebound increases stability and reduces rebound rotation by up to 50%, so you can keep them safely rear-facing for longer, up to 50 lbs. approx. 4 years old. Engineered following the latest European research and technology in crash energy management, the radian 3QXT features 8 layers of side impact protection, that includes a removable Safe Plus side impact management pod, constructed to channel energy around the back of the car seat and away from the child in the event of a side impact. This forms two of the 8 layers of interlocking EPS and EPP foam, high density plastic and steel reinforcement to create ultimate side impact protection, without compromising 3 across fit in most midsize vehicles. As they transition to forward facing, the Safe Plus easy adjust 12 position headrest is contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series. All of these great features have been combined with Safe+ engineering, with the 3QXT subjected to a combination of the most rigorous crash tests, front, rear, and side impacts, and rollover test to ensure the safest seat possible. Parents can also expect the travel friendly traits Diono is famous for, including convenient fold and FAA approval for use on an aircraft. So, no matter where you go you can take Diono safety with you

  • THE NEXT GENERATION 4-IN-1 RADIAN CONVERTIBLE CAR SEAT: Introducing 23 improvements in safety and new features from the award-winning 3QXT slimfit convertible car seat
  • 4-in-1 NEWBORN PROTECTION FROM 4 lbs: The energy absorbing protection Safe+ newborn insert provides the secure travel position, adjustable harness and anti-slip harness pads complete with Safe+ steel anti-rebound bar to reduce rebound rotation by 50%. Security 3 different ways - rear-facing, forward-facing, and high back booster mode
  • SAFE PLUS ENGINEERING: Radian 3QXT is subjected to a combination of the most rigorous crash tests to ensure we have the safest car seat possible. The radian 3QXT features high-density plastic and steel reinforcement to create the ultimate protection
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3QXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg approx. 4 years old

User questions & answers

Question: Is the seat pad different than the r series? My son was uncomfortable for some reason in those and I’m wondering if the padding is different w this
Answer: Thank you for asking! The Asher is a gray color , we had some that looked purple but it is gray.
Question: What country is this made in
Answer: I figured this out (I'm OP), so I'll answer it in case anyone was as confused as I was! You actually can adjust the headrest up and down. Adjusting it up (higher) gives the shoulder straps more room to raise them higher as well.
Question: Is there a way to increase the length of buckle harness?it is too short and difficult to use
Answer: Yes this seat can face rear. It is easily installed rear or forward facing. It also has removable cushioning to be used rear facing with small infant.
Question: We have a 2019 x3 and are really struggling to install this car seat... also purchased the angle adjuster. anyone have a newer x3 and have tips? ty
Answer: As M. Landy said it is true of most cars. I have a Kia Soul and I just installed my Symphony last night. The amount of extra room compared to previous car seats is outstanding. I had to install a Sureride seat I was using in a Corolla when Enterprise picked us up in one and the fit was similar to my soul, supertight and not very comfortable for passengers in front. The Symphony provided several extra inches of space (like 6-7 inches). It is way more comfortable. If someone really tall is in the seat in front it will probably still be tight, but that is something that every tall person has to deal with when rear facing seats are in position. Hope this helps.

Product features

Safe+ steel anti-rebound bar

One-click connection to the seat base. Reduces rebound rotation by 50% in the event of a collision. Also provides more legroom when rear-facing.

Safe+ steel core

All new re-engineered steel core. Made from automotive-grade high strength steel to shield and protect.

Introducing all-new Safe+ engineering

The new radian 3QXT is subjected to a combination of the most rigorous crash tests; front, rear, and side impacts, and rollover tests to make sure we have the safest seat possible

Safe+ side impact protection

Featuring 8 layers of interlocking EPS & EPP foam, high-density plastic, and steel reinforcement to create ultimate side impact protection without compromising 3 across fit.

Safe+ side impact management pod

The pod is placed on the side of the car seat facing the door and is engineered to channel energy around the back of the car seat and away from the child in the event of a side impact.

Safe+ headrest

Engineered with the latest European Side Impact technology to improve child head containment in the event of a collision. Headrest height is increased by 22% from radian R series.

Diono 2019 Radian 3R All-in-One Convertible Car Seat, Grey Dark

DiONO

Based on 170 reviews Check latest price

Product description

Life is complicated enough that’s why here at Diono wecarefully craft our products to be intuitive and as easy touse as possible while still providing the optimum level ofsafety and security for your little ones. Our uniqueSuperlatch system makes installation easy andsecure. The Diono Radian3 R surrounds your child inoverprotective, strong materials giving you peace of mindwherever life takes you on the special journey that isparenthood.We’ve thought of everything so you don’t have to

  • ORIGINAL 3 ACROSS: The Radian 3R All-in-One Convertible is an affordable ultramodern child car seat that protects and makes traveling with kids as safe and easy as possible. Fit 3 Radians across in most family-size vehicles—FAA-approved for air travel.
  • SUPERIOR EXTENDED REAR-FACING SAFETY & SECURITY: Featuring our powerful integrated steel frame, our convertible car seat protects infants rear-facing 5-40 lbs, forward-facing up to 65 lbs in 5 pt harness, and converts to booster for kids 50-100 lbs.
  • DYNAMIC HEAD & SIDE IMPACT PROTECTION: Reinforced with memory foam seat and aluminum side impact walls lined with energy-absorbing EPS foam, Radian safeguards kids in a robust cloud of cushiony protective comfort.
  • MAXIMUM SAFETY & EASY INSTALLATION: Utilizing our SuperLATCH audible-click/visual-locking indicator connector system, 5 shoulder and 3 buckle positions, expandable leg rests, and a non-slip rubber base—all for a secure installation.
  • TRAVELING THE WORLD IN COMFORT: Created with an easily removable premium plush-knit machine washable fabric cover, a seat that’s easy for your child to climb in and out of as they grow, and folds flat for easy storage.

User questions & answers

Question: I received my car seat and I do not see any steel and just all plastic. It does not look like the advertised picture of it being full steel
Answer: I highly doubt it. Seems to only fit the advocate clicktight models. If you compare photos of the 70 vs clickthight, you see the main release button is different on the clicktight.
Question: Will three fit in a2013 Hyundai Sonata
Answer: The child MUST be 44in standing AND 40 Lbs to fit in this seat . We can not endorse a child using it who does not meet these requirements.
Question: Are there cupholders with this model, or are there some that can be added
Answer: the Lower anchors are attached so the seat stays in place. You can use the lower anchors with or without the back of the car seat attached to the bottom half of the car seat
Question: Is this model appropriate for a 6 1/2 month old
Answer: One with a back will add some side and head impact protection in the event of an accident. Allows proper position of seatbelt straps across the chest/lap when they are still little/transitioning into a booster. It also helps having a place to rest their head when they fall asleep on long car rides.

Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Head Support Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Design - Fits 3 Across, Jet Black

DiONO

Based on 162 reviews Check latest price

Product description

The original All-in-One convertible car seat designed to fit 3 across and with our famous steel core inside for optimum safety. Now rear-facing for even longer up to 50 lb, 22.7 kg. and featuring all new head support infant insert, expect 10 years of safety from just one car seat. The 2020 Radian 3RX head support infant insert features padded support for cocooned comfort. Then as your infant grows simply remove and keep your precious cargo rear facing for even longer up to 50 lb, 22.7 kg approx. 4 years old. Built with a mechanically engineered, reinforced steel core, made from automotive grade high strength steel, the Radian 3RX is always ready to shield and protect. And when your family grows, the slim fit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. As travel experts, Diono have naturally built in super portable features to the Radian 3RX with original fold for easy transport and storage and steel reinforced cup holders to store essential road trip drinks and snacks. The Radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go.

  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb, 22. 7 kg, approx. 4 years old
  • HEAD SUPPORT INFANT INSERT: The removable head support infant insert features protective padded support for cocooned comfort, As your infant grows simply remove the car seat cushion pad
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RX adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort, Feel safe having your children secure in the backseat

User questions & answers

Question: Does this car seat have a cupholder
Answer: Yes. This product comes with one cup holder.
Question: Is there a upper weight limit for forward facing in the 5 point harness
Answer: The weight limit for FF in the 5 point harness is 65lbs. The weight limit for it in the booster mode with seat belt is 120lbs.
Question: What year is this car seat manufactured
Answer: This was manufactured in 2020.
Question: What is the width of this car seat base and what is the widest point
Answer: The bottom portion is 15" across the bottom portion and 17" almost half way up to the top of the shell.

Diono Angle Adjuster for Radian and Rainier Car Seats, Grey (60321)

DiONO

Based on 289 reviews Check latest price

Product description

Maximize the use of our all-in-one convertibles. Our angle Adjuster was cleverly designed to elevate the convertible car seat to be a little more upright while keeping your precious cargo rear-facing. Installation is easy and front-seat passengers will have more room TO sit more comfortably and within a safe range of front airbags. We've thought of everything so you don't have to.

  • Creates more space in the front seat - elevates all-in-one Convertible Car seats to a more upright position so they can fit in smaller vehicles
  • Rear facing FOR LONGER - The angle adjuster helps to keep your child in the rear-facing position while creating more space
  • Easy installation - angle adjuster simply slides under the bottom of the car seat. Once firmly in place, tighten and lock the seat belt or Super LATCH In the rear-facing belt path. Isofix compatible
  • Diono crash tested - The Diono angle adjuster is Diono crash tested
  • Dense & Durable - The Diono angle adjuster is made with a high-density foam that will not flatten under the weight of the car seat

User questions & answers

Question: Can this be used in conjunction with the Diono ultra matt seat protector? If so would it go above or below the ultra matt seat protector
Answer: Thank you for asking! Yes the seat will come with one base.
Question: Will this help fit better in my Volkswagen Tiguan
Answer: Yes, you thread the seat belt thru the slots of the base unit and secure tightly to the seat. Follow the instructions and illustrations included with the base or access the Britax website and review the instructions available online. Read the history of Britmax, you will find it very interesting.
Question: Know this is for car seat, but could it be put in the traverse stroller
Answer: Thanks for asking! Yes, this seat is assembled in our Fort Mill, South Carolina headquarters. 
Question: Will this work with the 3QXT
Answer: As long as it's a click tight yes mine is two years old.

Product features

Diono Angle Adjuster

Keep your little one rear-facing for longer with the Diono Angle Adjuster, designed to maximize the use of our All-in-One convertible car seats without sacrificing your little one’s safety.

Creates more space in the front seat

Elevates All-in-One convertible car seats to a more upright position so it can fit in smaller vehicles.

Rear-facing for longer

Helps to extend rear-facing use so you can keep your little one riding in the safest way for as long as possible

High density foam for added strength

Will not flatten under the weight of the car seat

Diono 2019 Radian 3RXT All-in-One Convertible Car Seat

DiONO

Based on 571 reviews Check latest price

Product description

Life is complicated enough, and that’s why here at Diono we carefully craft our products to be intuitive and as easy to use as possible while providing the optimum level of safety and security for your little ones. Trusted by over a million parents, the Diono Radian 3RXT is our flagship all-in-one convertible car seat, designed to fit 3 across, without sacrificing safety or passenger comfort. We have spent years perfecting protection to help parents keep their children traveling the safest way, for as long as possible – our Radian series is lovingly engineered with the famous Diono Steel Core that provides an unyielding structure to protect and shield, and extended rear-facing capabilities, so you can expect 10 years of safety from just one car seat. Our unique SuperLATCH system makes installation easy and secure with an audible “click”. The Diono Radian 3RXT surrounds your child in overprotective, strong materials giving you peace of mind wherever life takes you (including in the air: the Radian 3RXT is aircraft certified / FAA approved), so you can take safety with you wherever you go. We’ve thought of everything, so you don’t have to. Rear-facing: 5-45 lbs Forward-facing: 20-65 lbs Booster mode: 50-120 lbs Seated torso height: 8.25-17"

  • JOY OF THE JOURNEY: From birth, keep your little one rear-facing longer to 40 lbs., and as they grow to 100 lbs. (10 years approx.) our long-range lifespan protects your child facing-forward.
  • THREES NOT A CROWD: For safety that fits 3 across the Radian 3RXT packs all our innovative safety features into a sleek and slim design that allows you to fit three across (in most mid-size vehicles). Now the whole family can travel, together
  • LOVINGLY ENGINEERED: The Radian 3RXT is built with automotive-strength steel, engineered into a dual spine, which manages and dissipates energy with an unyielding structure to protect your baby. Our audible click SuperLATCH system makes installation easy
  • BUSINESS CLASS COMFORT: Inspired by the best in European style, our Radian 3RXT has bright soft fabric covers, and a memory foam seat bottom. Lined with energy absorbing foam, comfort and safety go hand in hand
  • MADE OF SEATTLE: We are from Seattle, a city where being different is the norm and so is the Radian 3RXT. It folds flat, so you can travel the world and is FAA approved for use on an aircraft, so you can take safety with you wherever you go.

User questions & answers

Question: Is this the 2019 version
Answer: All products are current 2019 models.
Question: Anyone know if this seat would fit forward facing in the 3rd row of 2011-2017 honda odysseys w/ 2 rear facing clek foonfs
Answer: It should fit, however, you would get the best installation using LATCH up to child weight of 40 lbs. Center LATCH availability will depend on year of the van. Be sure you can get a tight fit with the seat belt so when your child reaches this weight, you can switch to the seat belt installation.
Question: In the rear facing position, can someone tell me the measurement from the seat in the car to the farthest forward part of the car seat
Answer: Hello, Apologies for the delay. The Radian and Rainier measure 32"-36" depending on the vehicle seat pitch, from the top to the vehicle seat back. If you need additional room and your child has full head control, the Diono Angle Adjuster can be purchased separately to bring the car seat more upright, giving front seat occupants more room.
Question: Is this the same as the lower priced model but with more cushions in the seat and the two soft pieces that go by the child’s head
Answer: Hello, the difference is the addition of the reinforced head support for extra side impact protection and the addition of the infant support cushions, along with a cup holder. Otherwise, both seats have a fully integrated steel frame, luxurious fabrics, memory foam, fold flat and a 10 year expiration. The Radian 3RXT also accommodates a child up to 45 lbs. rear-facing vs. 40 lbs. on the Radian 3R. Booster mode is up to 120 lbs. vs. 100 lbs.

Product features

Adjust As Your Child Grows

Diono car seats are built from high quality materials for durability so the Radian 3RXT will become part of the family.

The original 3 across

Radian 3’s clever design has a slimline profile that allows you to install three across in your vehicle without compromising on the roomy internal seat dimensions.

Unique Nesting Principle

The 3RXT includes the original Diono nesting insert. A soft infant liner to keep your little baby both secure and cozy. Then as your little one grows, simply remove the liner.

Hand-built from reinforced steel...

Our automotive grade steel core at the heart the Diono convertible car seat range, designed and built without compromise. What better way to protect your child?

Extended Rear-facing

Our range of all-in-one convertible car seats are hand-built with extended ear-facing capabilities, allowing you to keep your little one rear-facing for as long as possible.

Safety from all angles with side impact protection...

All our seats go through rigorous testing protocol that simulate side impact crashes. The seats are then evaluated based on how well they contain the head, while reducing chest and pelvis acceleration.

Travel ready

Radian car seats are super portable and fold flat for easy travel. They are also FAA Approved and certified for use on aircraft!*

*FMVSS213 Aircraft Inversion Report by Carlspan, Buffalo, NY and SGS Guangzhou, Guangzhou, China. 5/16/18.

SuperLATCH installation

Our SuperLATCH system makes installation easy and super secure. An audible click lets you know when connectors are locked in safe.

Build your back seat

At Diono, we understand growing families need tailormade solutions. With our colorful range of all-in-one convertible car seats you can build your back seat in safety and style.

Diono 2019 Radian 3RX All-in-One Convertible Car Seat, Blue

DiONO

Based on 55 reviews Check latest price

Product description

Life is complicated enough, and that’s why here at Diono we carefully craft our products to be intuitive and as easy to use as possible while providing the optimum level of safety and security for your little ones. Trusted by over a million parents, the Diono Radian 3RX is our flagship all-in-one convertible car seat, designed to fit 3 across, without sacrificing safety or passenger comfort. We have spent years perfecting protection to help parents keep their children traveling the safest way, for as long as possible – our Radian series is lovingly engineered with the famous Diono Steel Core that provides an unyielding structure to protect and shield, and extended rear-facing capabilities, so you can expect 10 years of safety from just one car seat. Our unique SuperLATCH system makes installation easy and secure with an audible “click”. The Diono Radian 3RX surrounds your child in overprotective, strong materials giving you peace of mind wherever life takes you (including in the air: the Radian 3RX is aircraft certified / FAA approved), so you can take safety with you wherever you go. We’ve thought of everything, so you don’t have to.

  • JOY OF THE JOURNEY: From birth, keep your little one rear-facing longer to 40 lbs., and as they grow to 100 lbs. (10 years approx.) our long-range lifespan protects your child facing-forward.
  • THREES NOT A CROWD: For safety that fits 3 across the Radian 3RX packs all our innovative safety features into a sleek and slim design that allows you to fit three across (in most mid-size vehicles). Now the whole family can travel, together
  • LOVINGLY ENGINEERED: The Radian 3RX is built with automotive-strength steel, engineered into a dual spine, which manages and dissipates energy with an unyielding structure to protect your baby. Our audible click SuperLATCH system makes installation easy.
  • BUSINESS CLASS COMFORT: Inspired by the best in European style, our Radian 3RX has bright soft fabric covers, and a memory foam seat bottom. Lined with energy absorbing foam, comfort and safety go hand in hand
  • MADE OF SEATTLE: We are from Seattle, a city where being different is the norm and so is the Radian 3RX. It folds flat, so you can travel the world and is FAA approved for use on an aircraft, so you can take safety with you wherever you go.

User questions & answers

Question: Can the seat recline at all in the forward-facing position
Answer: The car seat doesn’t recline at all (however it does allow for a folded option when traveling) but it doesn’t recline. The seat back is pretty vertical compared to other brands, but my toddler hasn’t complained at all. To avoid their heads falling forward when asleep, there’s a soft strap that helps keep their head in place, but I haven’t needed it yet.
Question: How is torso height measured
Answer: I don't know officially, but I would assume measuring from the base of the neck of the child to the groin area. I do know that Diono has a pretty extensive tools/videos on their website that we utilized before we purchased. the might have instructions on how to measure torso height. Also, I found this website as well https://csftl.org/car-seat-basics-measure-child/ I hope that's helpful.
Question: What is the overall depth of the seat when in Rear Facing Mode and how much does the angle adjuster reduce the overall depth
Answer: Hello, when the Radian is rear-facing it takes up approximately 32"-36" from the vehicle seat back to top of car seat shell. It will depend on the vehicle seat pitch. The Angle Adjuster helps the car seat sit more upright approximately 4" to give front seat passengers more room. Keep in mind, your child needs full head control to use the Angle Adjuster.
Question: Anyone used this for special needs low tone older child
Answer: Hello, depending on the needs of your child, you may want to select the Radian 3RXT because it has a head support. You can also use it to 45 lbs. rear-facing. Many parents have used this car seat for children with special needs. I hope this answers your question.

Diono 2020 Radian 3QX, 4-in-1 Convertible, Safe+ Engineering, 3 Stage Infant Protection, 10 Years 1 Car Seat, Fits 3 Across, Black Jet

DiONO

Based on 228 reviews Check latest price

Product description

The ultimate 3 across All-in-One car seat from birth to booster (4 - 120 lbs. / 1.8 - 54 kg). Featuring 3 stages of complete rear-facing protection and all new Diono Safe+ engineering to provide the next generation in car seat safety.

From baby's first journey the radian 3QX provides complete protection, with Safe+ newborn travel high wedge, Safe+ 2-in-1 infant positioning liner and Safe+ Anti-slip harness pads for added comfort and safety.

As your child grows the Safe+ steel anti-rebound bar increases stability and reduces rebound rotation by up to 50%, so you can keep them safely rear-facing for longer, up to 50 lbs. (approx. 4 years old). Engineered following the latest European research and technology in crash energy management, the radian 3QX features 6 layers of side impact protection. Interlocking EPS and EPP foam, high density plastic and steel reinforcement combine to create ultimate side impact protection, without compromising 3 across fit in most midsize vehicles. As they transition to forward-facing, the Safe+ easy adjust 12 position headrest is contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series.

All of these great features have been combined with Safe+ engineering, with the 3QX subjected to a combination of the most rigorous crash tests; including side impacts and rollover test to ensure the safest seat possible.

Parents can also expect the travel friendly traits Diono is famous for, including convenient fold and FAA approval for use on an aircraft. So, no matter where you go you can take Diono safety with you.

  • THE NEXT GENERATION 4-IN-1 RADIAN CONVERTIBLE CAR SEAT: Introducing 23 improvements in safety and new features from the award-winning 3QX slimfit convertible car seat.
  • 3-in-1 NEWBORN PROTECTION FROM 4 lbs: Provides the perfect lie flat travel position, adjustable harness and anti-slip harness pads complete with Safe+ steel anti-rebound bar to reduce rebound rotation by 50%. Security 3 different ways - rear-facing, forward-facing, and booster mode
  • SAFE+ 12 POSITION HEADREST: Easy one hand adjust 22% increase in headrest occupancy, comfort and protection
  • SAFE+ ENGINEERING: Radian 3QX is subjected to a combination of the most rigorous crash tests to ensure we have the safest car seat possible. The radian 3QX features high density plastic and steel reinforcement to create the ultimate protection.
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3QX adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs.

User questions & answers

Question: What is the lowest harness height
Answer: Thanks for asking! The manufacturer's information, including the date, will be located on a permanent label on the car seat. All car seats are new and assembled in our Fort Mill, South Carolina headquarters. Please refer to the user guide that came with your child seat to determine its recommended useful life.
Question: Where is this car seat made
Answer: This seat is s convertible it stays in your car and does not attach to a stroller. Only our infant seats are able to attach to a stroller. Thank you
Question: What is the rebound bar and in the future how does it effect forward facing or booster ready child
Answer: Thanks for asking! Yes, the Marathon G4 cover will fit on the Allegiance, but the Marathon ClickTight will not.
Question: Since there is only 1 reclining option.. how does it work with changing from infant to toddlers as toddlers should not be as reclined as infants
Answer: Thanks for asking! If your stroller has the Click & Go capability it will work with this car seat.

Product features

Safe+ steel anti-rebound bar

One click connection to the seat base. Reduces rebound rotation by 50% in the event of a collision. Also provides more legroom when rear-facing.

Safe+ steel core

All new re-engineered steel core. Made from automotive-grade high strength steel to shield and protect.

Introducing all-new Safe+ engineering

The new radian 3QX is subjected to a combination of the most rigorous crash tests; front and side impacts, and rollover testing to make sure we have the safest seat possible

Safe+ side impact protection

Featuring 6 layers of interlocking EPS & EPP foam, high-density plastic, and steel reinforcement to create ultimate side impact protection without compromising 3 across fit.

Safe+ headrest

Engineered with the latest European Side Impact technology to improve child head containment in the event of a collision. Headrest height is increased by 22% from radian R series.

Diono Sit-Rite Car Seat Leveler

DiONO

Based on 241 reviews Check latest price

Product description

Your precious cargo’s first journeys out can be a daunting experience for you as a parent. We know it’s imperative for a newborn to ride at the right angle. Sit-Rite cleverly assists in positioning a rear-facing car seat at the proper angle. Its dense foam won’t flatten and fits well within the contour of a vehicle seat. Perfect to use for rear-facing car seats. We’ve thought of everything so you don’t have to. (Cannot be used with Diono all-in-one convertible car seats).

  • SIT-RITE - Levels rear-facing child safety seats and positions infants at the proper angle to ensure complete well-being and safety for them, and peace of mind for you
  • EASY TO USE - Simple to use, and easily fits the contour of the vehicle seat
  • USE IN ANY CAR - Easily cut to any length to fit any width vehicle seat. Multiple sit-rites can also be used at the same time
  • REAR FACING CAR SEATS ONLY - Can be used with any rear-facing infant seat. If the brand instructs to use a rolled towel or a pool noodle, then the Sit-Rite is perfect
  • DENSE & DURABLE - Sit-rite is made with a high-density foam that will not flatten under the weight of the car seat

User questions & answers

Question: Can this be used with convertible car seats
Answer: Hello. Yes, it can be used with other brand convertible car seats. Please read their manual for their instructions.
Question: What is the point of this? How do I know if I need it
Answer: This is used when your Convertible/ Rear facing carseat is rear facing and the bottom of it is not fully touching your car seat. It bridges the gap. It worked great for my carseat! Now that I don't need it I've passed it on! It was actually the safety inspector that recommended it... or a pool noodle!
Question: do i need one of these of the car seat is going to be forward facing? my grandbaby is almost 2 and she is now facing forward. thanks
Answer: No you don't. These are mainly for rear facing seats. Most cars, their seats dip down making rear facing seats lean forward (towards the back of the car) and this evens it out. Front facing seats are usually ok by themselves
Question: Does anyone know how this is different than the angle adjuster
Answer: Depending on the angle of the seat in your car that you are installing the car seat in, even with the built in angle adjuster in SOME carseats, the car seat may not be at the correct level, and with this you can adjust that. Plus, when using this, it compresses as much as you need to get the right level, and then stays at that compression for a tight and correct installation. Much easier than using a rolled up towel, and stays at the compression it should be.

Product features

Diono Sit-Rite

Cleverly assists in positioning a rear-facing car seat at the proper angle to ensure complete well-being and safety for your child, and peace of mind for you

Positions infants in the proper angle

To ensure complete safety for them and peace of mind for you

High density foam for added strength

Will not flatten under the weight of the car seat

Compatible with any infant car seat

NOT compatible with Diono convertible car seats

Diono Rainier 2AXT All-in-One Convertible Car Seat, Grey Dark

DiONO

Based on 17 reviews Check latest price

Product description

The Diono Rainier 2AXT is the car seat you can trust to protect your little one with a touch of luxury. Lovingly enginieered with an automotive grade steel frame, enhanced side impact protection from extra deep side walls, and extended rear facing capabilities to keep your little one traveling the safest way possible longer..care & maintenance- Cover machine washable at 86F/30C/Cold

  • Enhanced Side impact protection with extra deep side walls and reinforced adjustable head support, steel frame, and energy absorbing EPS foam keep your little one safe on any journey
  • Unique SuperLATCH Connectors make it easy to install. Low profile make it easy to get your little one in and out of the seat
  • Folds flat for easy transportation when traveling
  • Extended Rear Facing capacity to keep your little one traveling the safest way possible
  • Accommodates children Rear Facing from 5 to 50 pounds, forward facing in 5 point harness from 20 to 65 pounds, and can be used in booster mode from 50 to 120 pounds

User questions & answers

Question: What is this model made out of, if we don’t get the wool or leather option? I can’t find it anywhere
Answer: Hello, other options include a blend with polyester, cotton and nylon.
Question: what year is the manufacture date on these car seats
Answer: The year of manufacturer should be 2019.
Question: Is this model made with merino wool, meaning no added flame retardants or chemicals because it's naturally flame retardant? Thanks
Answer: Our Grey Wool option does provide a blended Merino Wool.
Question: Which parts are made of steel
Answer: The internal frame is completely made of automotive grade German steel. I hope this information is useful.

Product features

10 Years - 1 Car Seat

The rainier 2AXT All-in-One car seat is designed and engineered to keep your child safe from birth to booster (5 - 120 lb / 2.2 - 54 kg)

Rear facing for longer

With extended rear-facing from birth up to 50 lb / 22.7 kg to keep your child in the safest travel position for as long as possible.

Steel Core

Mechanically engineered, reinforced steel core. Made from automotive grade high strength steel. What better way to protect your child?

Safety from all angles with side impact protection...

Aluminium reinforced sides and thick energy absorbing foam distributes crash forces.

Comfort at every stage

With a nesting insert for your newborn and an additional head support for older children, every attention to detail has been applied for your child’s safety, whatever stage they are at.

Luxury & comfort

Ergonomically designed with contoured shapes, and layers of luxurious cushioning ensure, a comfortable environment. Covers are durable and washable, we’ve even included a cup holder.

Travel ready

Rainier car seats are super portable and fold flat for easy travel. They are also FAA Approved and certified for use on aircraft!

SuperLATCH installation

Our SuperLATCH system makes installation easy and super secure. An audible click lets you know when connectors are locked in safe.

12 position headrest

Featuring a 12-position headrest to grow with your child.

Diono Everett NXT Rigid Latch, Belt Positioning Booster Seat, High Back Booster, Lightweight Slim Fit Design, 8 Years 1 Booster Seat, Blue

Based on 199 reviews Check latest price

Product description

Suitable for children who weigh between 40 and 120 lbs. (18 - 50kg) and whose height is between 38 to 63 inches (97 cm - 160cm) or approx. 4 - 12 years. The 7-Position adjustable headrest can be set at different heights and altered using the handle on the back of the seat. The ergonomic design also includes extra padding and side impact protection, so as your little one grows they will always be both comfortable and secure. As a truly adaptable car seat, Everett has a variety of installation options and can be used with or without the rigid latch connectors. Parents can use the vehicle seatbelt following our intuitive seat belt guides or alternatively install the seat using the integrated latch connectors that anchor the seat to the car, while allowing the child to buckle themselves in with the vehicle seatbelt. Weighing only 10.9 lb Everett's super light and allows you to move the seat between vehicles with ease. We've even included a pocket for your Diono instruction booklet, so you can keep it in a safe place, ready for when you need to adjust the car seat As your little one grows. Our textile designers have crafted soft, comfortable fabrics with added support cushions that contour around the shape of your little one. We've also included padded armrests for extra snugness. Due to Everett's wide-ranging age span, the covering fabrics have been lovingly engineered with durable Textiles. All the best adventures get messy, that's why Everett fabrics are machine washable, so you can simply remove the cover, wash and refit with a single zip. Designed to grow, built to last, enjoy the joy of the journey with the Diono Everett NXT fix booster.

  • SLIM FIT DESIGN: Designed to be slim fit booster seat without compromising comfort, safety and support for your child
  • EASY CLICK RIGID LATCH CONNECTORS: Offers a quick and simple way to secure the booster seat using your vehicle seat belt latch system
  • SUPER LIGHTWEIGHT: Weighing only 10.9 lbs Everett NXT is a super light car seat allowing you to move the seat between vehicles with ease
  • 7 HEADREST POSITIONS: 7-Position headrest adjusts with eas to provide protective head support for your child with reinforced side impact protection
  • BUCKLE FRIENDLY FIT: Designed with a narrow seat back for better access to vehicle buckles

User questions & answers

Question: Does this have the option for a cup holder
Answer: Our products are designed in the USA and made in China
Question: Can this booster fit 3 across one seat
Answer: We offer a longer center buckle option if that is needed.
Question: How does this booster seat compare to the Diono Monterey
Answer: I also hate having to install this car seat. The seat belt tunnel is small. I end up using a metal clothes hanger to pull it through
Question: What is the width of the bottom back of seat
Answer: If you follow the instructions in the booklet, it's easy. It says to hand wash.... although I have machine washed mine on delicate and hung it up to dry and had no issue.

Product features

7 headrest positions

7-position headrest adjusts to provide protective head support for your child with reinforced side impact protection.

Buckle friendly fit

Designed with a narrow seat back for better access to vehicle buckles.

Slim fit design

Designed to be slim fit without compromising comfort and support for your child.

Easy click rigid latch connectors

Offers a quick and simple way to secure the booster seat using your vehicle latch system.

Super lightweight

Weighing only 8.9 lb Everett NXT is super light allowing you to move the seat between vehicles with ease.

Diono Radian & Rainier Angle Adjuster (Discontinued by Manufacture), 60320

DiONO

Based on 1 reviews Check latest price

Product description

Maximize the use of our all-in-one convertibles. Our Angle Adjuster was cleverly designed to elevate the convertible car seat to be a little more upright while keeping your precious cargo rear-facing. Installation is easy and front-seat passengers will have more room to sit more comfortably and within a safe range of front airbags. We’ve thought of everything so you don’t have to.

  • CREATES MORE SPACE IN THE FRONT SEAT - Elevates All-in-One convertible car seats to a more upright position so they can fit in smaller vehicles
  • REAR FACING FOR LONGER - The angle adjuster helps to keep your child in the rear-facing position while creating more space
  • EASY INSTALLATION - Angle Adjuster simply slides under the bottom of the car seat. Once firmly in place, tighten and lock the seat belt or SuperLATCH in the rear-facing belt path. Isofix compatible
  • DIONO CRASH TESTED - The Diono Angle Adjuster is Diono Crash Tested
  • DENSE & DURABLE - The Diono Angle Adjuster is made with a high-density foam that will not flatten under the weight of the car seat

User questions & answers

Question: Can this be used for other brands of rear facing convertables as well
Answer: We have 2 of the Dione car seats in the backseat along with a Chico infant car seat! We drive a 2013 Nissan Altima. It’s a snug fit, but works! So 3 of the Dione car seats should work fine. That is our plan once the little one can sit in one, unless a third row SUV comes first!!
Question: Is there a reason the product description says for children 1 year and older? Can I use this with my 8 month old assuming her head control is fine
Answer: Yes. This model does not come with the cup holders when originally purchased but the cup holders can be purchased separately and can be used with the seat.
Question: Will this REALLY take 1-3 months to receive
Answer: Yes. Check the minimum weight requirements, but I believe it can be used with infants. This seat can face both forwards and backwards, and has the necessary 5-point harness.
Question: Does this work on the Rainer model? I think that is just a newer version of the Radian
Answer: Yes. The memory foam is on top of the cover in this seat compared to under the cover within the R series.

Product features

Diono Angle Adjuster

Keep your little one rear-facing for longer with the Diono Angle Adjuster, designed to maximize the use of our All-in-One convertible car seats without sacrificing your little one’s safety.

Creates more space in the front seat

Elevates All-in-One convertible car seats to a more upright position so it can fit in smaller vehicles.

Rear-facing for longer

Helps to extend rear-facing use so you can keep your little one riding in the safest way for as long as possible

High density foam for added strength

Will not flatten under the weight of the car seat

Diono Rainier 2AXT Latch, All-in-One Convertible Car Seat, Vogue Gray Dark (50216)

DiONO

Based on 2 reviews Check latest price

Product description

Whatever the weather, wherever you are going, the Diono Rainier 2Axt Vogue is the car seat you can trust to protect your precious little one with a touch of luxury. Lovingly engineered with an automotive grade steel frame core with extra-deep side walls, providing enhanced side impact protection. The extra-deep aluminum reinforced sides matched with sumptuous comfort, and Energy absorbing foam deliver best in class protection for your little one. And with extended rear-facing capabilities the Rainier 2Axt Vogue accommodates children weighing 5-120 pounds. With a unique low profile design, boarding your child becomes simple and easy. It could be the only car seat you'll ever need. The Diono Rainier 2Axt Vogue takes car seats to a whole other level. We've thought of everything so you don't have to. When it comes to protecting your little one We know you will do just about anything. We've been there too, that's why we design and engineer all of our product with this in mind. We believe in better. We created the Rainier 2Axt Vogue without compromise, constructed for durability, assembled by hand The Rainier 2Axt Vogue delivers unmatched protection and optimal luxury and security right down to the last detail. From our SuperLATCH connectors, that make for quick and easy installation to the extended rear-facing capability allowing your child to travel in the safest position for that little bit longer, Rainier 2Axt Vogue gives you peace of mind that you are protecting your child in all the right ways.

  • Joy of the journey: from birth keep your little one rear facing longer to 50 lbs., traveling safely. As they grow to 120 lbs. (12 years approx.) Our long-range lifespan protects your child facing forwards
  • Lovingly engineered: the Rainier 2Axt Vogue is fabricated using super strong automotive high strength steel, engineered into a dual spine. This unique core manages and dissipates energy and provides an unyielding structure to protect your baby
  • Space SAVING design: for safety that allows extra room for other passengers the Rainier 2Axt Vogue packs all our safety features into a sleek design, without compromising luxury travel for your baby
  • Exquisite luxury: our Rainier 2Axt Vogue is inspired by tailoring, usually found in furniture and bespoke upholstery. A comfort wool, skin sensitive Merino blend seat cover and infant Support cushion
  • Made of Seattle: a City where being different is the norm and so is the Rainier 2Axt. It folds flat, so you can travel THE WORLD and is FAA approved for use on an aircraft. You don't need to change your plans just because Baby is in tow

Product features

Born and raised in the heart of Washington, our story is ‘Made of Seattle’, a city like no other.

This is a place where creative minds and innovators rub shoulders within a landscape of adventure; a place, where being ‘a little different’, is the everyday norm.

Our love for original design combined with an understanding of modern parenting is why over a million parents have chosen a Diono car seat since our brand was born. And since then? We’ve been launching innovative new products year on year, so every family can experience the joy of the journey.

Car Seats

Every three minutes a parent chooses a Diono car seat. Why? Because we believe safety is for everyone and our family of car seats is designed to look after yours.

Strollers

Find your next family vehicle right here at Diono. Whether you’re a frequent flyer or an urban explorer, we’ve got your perfect stroller match.

Carriers

Discover a carrier that captures what it means to share the journey, baby and parent in unison.

Accessories

Diono collection of accessories provide clever little solutions for big adventures. Whether its protection on the go or helping to comfort your little one to sleep, our universal accessories make the perfect travel companion.

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