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Radian® 3QXT

$449.99
Radian® 3QXT All-in-one convertible car seat [Black Jet]
[Black Jet]
Featuring Complete 4 stage newborn protection [Black Jet]
Anti-rebound bar reduces rebound by 50% [Black Jet]
Radian® 3QXT
10 years one car seat [Black Jet]
Safe+® Engineering [Black Jet]
Rear-facing from 4 lbs [Black Jet]
Rear-facing for longer [Black Jet]
Original slim fit 3 across design [Black Jet]
Slim fit 3 across forward facing [Black Jet]
22% increase in headrest occupancy from Radian® R Series [Black Jet]
Safe+® Side Impact Management Pod [Black Jet]
8 layers of side impact protection [Black Jet]
Safe+® steel core [Black Jet]
Safe+® newborn travel high wedge [Black Jet]
Memory foam cushion seat base [Black Jet]
[Black Jet]
[Black Jet]
[Black Jet]
Radian® 3QXT All-in-one convertible car seat [Red Cherry]
[Red Cherry]
Radian® 3QXT All-in-one convertible car seat Featuring Complete 4 stage newborn protection [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Safe+® Steel anti-rebound bar reduces rebound by 50% [Red Cherry]
[Red Cherry]
Radian® 3QXT All-in-one convertible car seat 10 years one car seat [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Safe+® Engineering [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Rear-facing from 4 lbs [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Rear-facing for longer [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Original slim fit 3 across design [Red Cherry]
Radian® 3QXT All-in-one convertible car seat Slim fit 3 across forward facing [Red Cherry]
22% increase in headrest occupancy from Radian® R Series [Red Cherry]
Safe+® Side Impact Management Pod [Red Cherry]
8 layers of side impact protection [Red Cherry]
Safe+® steel core [Red Cherry]
Safe+® newborn travel high wedge [Red Cherry]
Memory foam cushion seat base [Red Cherry]
[Red Cherry]
[Red Cherry]
[Red Cherry]
Radian® 3QXT All-in-one convertible car seat [Blue Sky]
[Blue Sky]
Featuring Complete 4 stage newborn protection [Blue Sky]
Anti-rebound bar reduces rebound by 50% [Blue Sky]
[Blue Sky]
10 years one car seat [Blue Sky]
Safe+® Engineering [Blue Sky]
Rear-facing from 4 lbs [Blue Sky]
Rear-facing for longer [Blue Sky]
Original slim fit 3 across design [Blue Sky]
Slim fit 3 across forward facing [Blue Sky]
22% increase in headrest occupancy from Radian® R Series [Blue Sky]
Safe+® Side Impact Management Pod [Blue Sky]
8 layers of side impact protection [Blue Sky]
Safe+® steel core [Blue Sky]
Safe+® newborn travel high wedge [Blue Sky]
Memory foam cushion seat base [Blue Sky]
[Blue Sky]
[Blue Sky]
[Blue Sky]
Radian® 3QXT All-in-one convertible car seat [Gray Slate]
[Gray Slate]
Featuring Complete 4 stage newborn protection [Gray Slate]
Anti-rebound bar reduces rebound by 50% [Gray Slate]
[Gray Slate]
10 years one car seat [Gray Slate]
Safe+® Engineering [Gray Slate]
Rear-facing from 4 lbs [Gray Slate]
Rear-facing for longer [Gray Slate]
Original slim fit 3 across design [Gray Slate]
Slim fit 3 across forward facing [Gray Slate]
22% increase in headrest occupancy from Radian® R Series [Gray Slate]
Safe+® Side Impact Management Pod [Gray Slate]
8 layers of side impact protection [Gray Slate]
Safe+® steel core [Gray Slate]
Safe+® newborn travel high wedge [Gray Slate]
Memory foam cushion seat base [Gray Slate]
[Gray Slate]
[Gray Slate]
[Gray Slate]
Radian® 3QXT All-in-one convertible car seat [Yellow Mineral]
[Yellow Mineral]
Featuring Complete 4 stage newborn protection [Yellow Mineral]
Anti-rebound bar reduces rebound by 50% [Yellow Mineral]
[Yellow Mineral]
10 years one car seat [Yellow Mineral]
Safe+® Engineering [Yellow Mineral]
Rear-facing from 4 lbs [Yellow Mineral]
Rear-facing for longer [Yellow Mineral]
Original slim fit 3 across design [Yellow Mineral]
Slim fit 3 across forward facing [Yellow Mineral]
22% increase in headrest occupancy from Radian® R Series [Yellow Mineral]
Safe+® Side Impact Management Pod [Yellow Mineral]
8 layers of side impact protection [Yellow Mineral]
Safe+® steel core [Yellow Mineral]
Safe+® newborn travel high wedge [Yellow Mineral]
Memory foam cushion seat base [Yellow Mineral]
[Yellow Mineral]
[Yellow Mineral]
[Yellow Mineral]
Radian® 3QXT All-in-one convertible car seat [Purple Plum]
[Purple Plum]
Featuring Complete 4 stage newborn protection [Purple Plum]
Anti-rebound bar reduces rebound by 50% [Purple Plum]
[Purple Plum]
10 years one car seat [Purple Plum]
Safe+® Engineering [Purple Plum]
Rear-facing from 4 lbs [Purple Plum]
Rear-facing for longer [Purple Plum]
Original slim fit 3 across design [Purple Plum]
Slim fit 3 across forward facing [Purple Plum]
22% increase in headrest occupancy from Radian® R Series [Purple Plum]
Safe+® Side Impact Management Pod [Purple Plum]
8 layers of side impact protection [Purple Plum]
Safe+® steel core [Purple Plum]
Safe+® newborn travel high wedge [Purple Plum]
Memory foam cushion seat base [Purple Plum]
[Purple Plum]
[Purple Plum]
[Purple Plum]
Radian® 3QXT All-in-one convertible car seat [Black Jet]

The ultimate 3 across All-in-One car seat from birth to booster


$449.99

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Radian® 3QXT

The ultimate 3 across All-in-One car seat from birth to booster (4 - 120 lb / 1.8 - 54kg). Featuring advanced 4-in-1 newborn protection and all new SafePlus™ engineering to provide the next generation in car seat safety.

Features:

  • THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian® 3QXT adapts as your child grows for 10 years of use (4 - 120 lb / 1.8 - 54 kg)
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 lb / 1.8 - 22.7 kg complete with SafePlus™ inserts and SafePlus™ steel anti-rebound bar to reduce rebound rotation by 50%
  • SafePlus™ ENGINEERING - Our most rigorously tested Radian® all-in-one convertible car seat; featuring SafePlus™ steel rear facing anti-rebound bar, steel reinforced frame, advanced side impact protection and diono SuperLATCH attachment
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series
  • 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

Product Specs

  • Minimum User Weight: 4 lb / 1.8 kg
  • Maximum User Weight: 120 lb / 54 kg
  • Minimum User Weight - Rear Facing: 4 lb / 1.8 kg
  • Maximum User Weight - Rear Facing: 50 lb / 22.7 kg
  • Maximum User Weight - Rear Facing LATCH: 35 lb / 15.8 kg
  • Minimum User Weight - Forward Facing: 22 lb / 10 kg
  • Maximum User Weight - Forward Facing: 65 lb / 29.5 kg
  • Maximum User Weight - Forward Facing LATCH: 40 lb / 18 kg
  • Minimum User Weight - Booster: 40 lb / 18 kg
  • Maximum User Weight - Booster: 120 lb / 54 kg
  • Maximum User Height: 57.1 in / 145 cm
  • Number of Head Support Positions: 12
  • Product Height: 28.5 in / 72.4 cm
  • Product Width: 17 in / 43.2 cm
  • Product Depth: 16 in / 40.6 cm
  • Seat Weight: 32 lb / 14.5 kg
  • Product Height - Folded: 28.5 in / 72.4 cm
  • Product Width - Folded: 17 in / 43.2 cm
  • Product Depth - Folded: 11.5 in / 29.2 cm

Care & Maintenance

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

Warranty Information

12 months standard warranty - extended to 36 months when you register with Diono® post purchase

The Diono Difference

The Radian® Q series exclusively features diono Safe+® engineering, our unique combination of car seat engineering and rigorous testing to provide the best possible protection for your child.
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 / 120 lb.)
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 / 50 lb.

Plays well with

Radian® 3R all-in-one convertible car seat [Gray Slate]

Radian® 3R

$199.99

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

Customers Also loved

Radian® 3R all-in-one convertible car seat [Gray Slate]

Radian® 3R

$199.99

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

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