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Radian® 3QXT

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$10,999.99

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


$10,999.99

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Additional 2-Year Warranty

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

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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.

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