Radian® 3QX

$369.99

Featuring Complete 3 stage newborn protection [Blue Sky]

Anti-rebound bar reduces rebound by 50% [Blue Sky]

22% increase in headrest occupancy from Radian® R Series [Blue Sky]

Slim fit 3 across forward facing [Blue Sky]

Safe+® newborn travel high wedge [Blue Sky]

6 layers of side impact protection [Blue Sky]

Memory foam cushion seat base [Blue Sky]

12 position easy adjust headrest [Blue Sky]

Rear-facing for longer up to 50 lbs [Blue Sky]

Radian® 3QX all-in-one convertible car seat [Black Jet]

Featuring Complete 3 stage newborn protection [Black Jet]

Anti-rebound bar reduces rebound by 50% [Black Jet]

22% increase in headrest occupancy from Radian® R Series [Black Jet]

Slim fit 3 across forward facing [Black Jet]

Safe+® newborn travel high wedge [Black Jet]

6 layers of side impact protection [Black Jet]

Memory foam cushion seat base [Black Jet]

12 position easy adjust headrest [Black Jet]

Rear-facing for longer up to 50 lb [Black Jet]

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

Featuring Complete 3 stage newborn protection [Gray Slate]

Anti-rebound bar reduces rebound by 50% [Gray Slate]

22% increase in headrest occupancy from Radian® R Series [Gray Slate]

Slim fit 3 across forward facing [Gray Slate]

Safe+® newborn travel high wedge [Gray Slate]

6 layers of side impact protection [Gray Slate]

Memory foam cushion seat base [Gray Slate]

12 position easy adjust headrest [Gray Slate]

Rear-facing for longer up to 50 lb [Gray Slate]

Radian® 3QX all-in-one convertible car seat [Purple Plum]

Featuring Complete 3 stage newborn protection [Purple Plum]

Anti-rebound bar reduces rebound by 50% [Purple Plum]

22% increase in headrest occupancy from Radian® R Series [Purple Plum]

Slim fit 3 across forward facing [Purple Plum]

Safe+® newborn travel high wedge [Purple Plum]

6 layers of side impact protection [Purple Plum]

Memory foam cushion seat base [Purple Plum]

12 position easy adjust headrest [Purple Plum]

Rear-facing for longer up to 50 lb [Purple Plum]

Radian® 3QX all-in-one convertible car seat [Red Cherry]

Featuring Complete 3 stage newborn protection [Red Cherry]

Anti-rebound bar reduces rebound by 50% [Red Cherry]

22% increase in headrest occupancy from Radian® R Series [Red Cherry]

Slim fit 3 across forward facing [Red Cherry]

Safe+® newborn travel high wedge [Red Cherry]

6 layers of side impact protection [Red Cherry]

Memory foam cushion seat base [Red Cherry]

12 position easy adjust headrest [Red Cherry]

Rear-facing for longer up to 50 lb [Red Cherry]

Radian® 3QX all-in-one convertible car seat [Yellow Mineral]

Featuring Complete 3 stage newborn protection [Yellow Mineral]

Anti-rebound bar reduces rebound by 50% [Yellow Mineral]

22% increase in headrest occupancy from Radian® R Series [Yellow Mineral]

Slim fit 3 across forward facing [Yellow Mineral]

Safe+® newborn travel high wedge [Yellow Mineral]

6 layers of side impact protection [Yellow Mineral]

Memory foam cushion seat base [Yellow Mineral]

12 position easy adjust headrest [Yellow Mineral]

Rear-facing for longer up to 50 lb [Yellow Mineral]

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

* Color

Qty

$369.99

or 4 interest-free payments of $92.50. Learn More

Enjoy worry-free buying and perks with the Diono Difference

Radian® 3QX

The ultimate 3 across All-in-One car seat from birth to booster 4 - 120 lb (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

Features:

NEXT GENERATION RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian® 3QX adapts as your child grows for 10 years of use (4 - 120 pounds / 1.8 - 54 kg ).
3-IN-1 REAR FACING PROTECTION - Designed for safe rear-facing travel from 4 - 50 pounds (1.8 - 22.7 kg) complete with Safe+® inserts and Safe+® steel anti-rebound bar to reduce rebound rotation by 50%
SAFE+® ENGINEERING - Tested Radian® all-in-one convertible car seat; featuring Safe+® steel rear-facing anti-rebound bar, steel reinforced frame, advanced side impact protection and Diono SuperLATCH attachment.
SLIM FIT DESIGN FOR 3 ACROSS - Features 6 layers of Safe+® side impact protection without compromising 3 across installation in most midsize vehicles.
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.

Product Specs

Minimum User Weight: 4 lb /1.8 kg
Maximum User Weight: 120 lb / 54 kg
Number of Head Support Positions: 12
Minimum User Weight - Rear Facing: 4 lb / 1.8 kg
Maximum User Weight - Rear Facing: 22.7 kg / 50 lb
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: 145 cm / 57.1 in
Product Height: 28.5 in / 72.4 cm
Product Width: 17 in / 43.2 cm
Product Depth: 16 in / 40.6 cm
Seat Weight: 29.6 lb / 13.43 kg

Care & Maintenance

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

Warranty Information

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

Welcome to the Next Generation- Radian Q

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.