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50020CA

Radian® 3RXT

$469.99
Radian® 3RXT all in one convertible car seat [Black Jet]
[Black Jet]
Newborn high travel wedge [Black Jet]
Rear-facing for longer up to 22.7 kg [Black Jet]
10 years one car seat [Black Jet]
[Black Jet]
Full steel core [Black Jet]
Rear-facing from 2.2 kg [Black Jet]
Rear-facing for longer up to 22.7 kg [Black Jet]
Slim fit 3-across design forward facing [Black Jet]
Side impact protection [Black Jet]
Side impact protection
Side impact protection
New XL anti-slip harness pads
Expandable seat width [Black Jet]
5-point harness up to 29.5 kg / 65 lb [Black Jet]
Radian® 3RXT all in one convertible car seat [Blue Sky]
[Blue Sky]
Newborn high travel [Blue Sky]
Rear-facing for longer up to 22.7 kg [Blue Sky]
10 years one car seat [Blue Sky]
[Blue Sky]
Full steel core [Blue Sky]
Rear-facing from 2.2 kg [Blue Sky]
Rear-facing for longer up to 22.7 kg [Blue Sky]
2-in-1 head and body insert [Blue Sky]
2-in-1 head and body insert [Blue Sky]
Easy adjust 12 position head rest [Blue Sky]
FAA approved folds for travel [Blue Sky]
New XL anti-slip harness pads [Blue Sky]
Expandable seat width [Blue Sky]
5-point harness up to 29.5 kg / 65 lb [Blue Sky]
Radian® 3RXT all in one convertible car seat [Gray Slate]
[Gray Slate]
Newborn high travel wedge [Gray Slate]
Rear-facing for longer up to 22.7 kg [Gray Slate]
10 years one car seat [Gray Slate]
[Gray Slate]
Full steel core [Gray Slate]
Rear-facing from 2.2 kg [Gray Slate]
Rear-facing for longer up to 22.7 kg [Gray Slate]
Slim fit 3-across design forward facing [Gray Slate]
Side impact protection [Gray Slate]
Easy adjust 12 position head rest [Gray Slate]
FAA approved folds for travel [Gray Slate]
New XL anti-slip harness pads [Gray Slate]
Expandable seat width [Gray Slate]
5-point harness up to 29.5 kg / 65 lb [Gray Slate]
Radian® 3RXT all in one convertible car seat [Red Cherry]
[Red Cherry]
Newborn high travel wedge [Red Cherry]
Rear-facing for longer up to 22.7 kg [Red Cherry]
10 years one car seat [Red Cherry]
[Red Cherry]
Full steel core [Red Cherry]
Rear-facing from 2.2 kg [Red Cherry]
Rear-facing for longer up to 22.7 kg [Red Cherry]
2-in-1 head and body insert [Red Cherry]
Side impact protection [Red Cherry]
Easy adjust 12 position head rest [Red Cherry]
FAA approved folds for travel [Red Cherry]
New XL anti-slip harness pads [Red Cherry]
Expandable seat width [Red Cherry]
5-point harness up to 29.5 kg / 65 lb [Red Cherry]
Radian® 3RXT all in one convertible car seat [Purple Plum]
[Purple Plum]
Newborn high travel wedge [Purple Plum]
Rear-facing for longer up to 22.7 kg [Purple Plum]
10 years one car seat [Purple Plum]
[Purple Plum]
Full steel core [Purple Plum]
Rear-facing from 2.2 kg [Purple Plum]
Rear-facing for longer up to 22.7 kg [Purple Plum]
2-in-1 head and body insert [Purple Plum]
Side impact protection [Purple Plum]
Easy adjust 12 position head rest [Purple Plum]
FAA approved folds for travel [Purple Plum]
New XL anti-slip harness pads [Purple Plum]
5-point harness up to 29.5 kg / 65 lb [Purple Plum]
Expandable seat width [Purple Plum]
Radian® 3RXT all in one convertible car seat [Black Jet]

The original 3 across All-in-One convertible car seat


$469.99

Enjoy worry-free buying and perks with the Diono Difference

Recieve perks when you shop on diono.com

Additional 2-Year Warranty

Receive an additional 2-year warranty on all car seats and strollers purchased from diono.com

Free Shipping on orders over $400*

Diono proudly offers free shipping on orders over $400

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Unlock exclusive news, offers and discounts on all diono.com products.

1-2-1 Virtual Car Seat Fitting

Book a 1-2-1 virtual car seat fitting with a member of our car seat safety team.

* T & C's apply

Radian® 3RXT

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 (2.2 kg - 54 kg / 5 - 120 lb) 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.

Features:

  • AWARD WINNING RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the radian® 3RXT adapts as your child grows for 10 years of use (2.2 - 54 kg / 5 - 120 pounds).
  • REAR FACING FOR LONGER - Designed for safe rear facing travel from 2.2 - 22.7 kg / 5 - 50 pounds complete with newborn travel high wedge to protect as they grow from baby, infant to toddler.
  • THE ORIGINAL RADIAN® 3 ACROSS: Built with our famous Radian® slim fit convertible design for a 3-across option only with Diono Radian® combinations, without compromising child or passenger comfort. Feel safe having your children secure in the backseat.
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Creates a safe and comfortable fit for rear facing, forward facing and booster seat modes.
  • STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.

Product Specs

  • Minimum User Weight: 2.3 kg / 5 lb
  • Maximum User Weight: 54 kg / 120 lb
  • Minimum User Weight - Rear Facing: 2.3 kg / 5 lb
  • Maximum User Weight - Rear Facing: 22.7 kg / 50 lb
  • Maximum User Weight - Rear Facing LATCH: 15.8 kg / 35 lb
  • Minimum User Weight - Forward Facing: 10 kg / 22 lb
  • Maximum User Weight - Forward Facing: 29.5 kg / 65 lb
  • Maximum User Weight - Forward Facing LATCH: 18 kg / 40 lb
  • Minimum User Weight - Booster: 18 kg / 40 lb
  • Maximum User Weight - Booster: 54 kg / 120 lb
  • Maximum User Height: 145 cm / 57.1 in
  • Number of Head Support Positions: 12
  • Product Height: 72.4 cm / 28.5 in
  • Product Width: 43.2 cm / 17 in
  • Product Depth: 40.6 cm / 16 in
  • Seat Weight: 12.76 kg / 28.1 lb

Care & Maintenance

Covers: Machine wash cold, line dry. Shell and Components: Spot clean

Warranty Information

12 months standard warranty

Diono radian 3RXT Product Video

The Diono Difference

The Radian® R series features a unique combination of diono car seat engineering and rigorous testing.
Every Radian® All-in-One Convertible Car Seat is designed to adapt as your child grows to offer a custom fit from birth to booster (up to 54 kg.)
Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
Engineered to keep your child rear-facing for longer up to 22.7 kg.

Plays well with

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