Diono Radian 3QXT+ Luxury 3 Across All-in-One Car Seat

Authorized Dealer

Color: Black Jet
Sale price$529.99

 SKU: 53000-NA-01


The Radian 3QXT+ model is an elite standard convertible car seat. It's designed with multiple layers of durable material, a steel rebound bar, and tested in the most severe car crashes for optimal safety.  Its compact structure enables three seats to be aligned in a row, with guaranteed comfort. It also includes extra newborn protective features to keep your baby in a comfortable flat back position. It adapts as your child grows from birth to booster, facilitating 10 years of first-class travel.


  • Fold-flat for easy carrying & storage.
  • Adapts as your child grows from newborn - 10 years.
  • 12 adjustable head support positions.
  • 8 layers of side impact protection.
  • Easy click installation with SuperLATCH connectors.
  • Newborn supportive inserts and a wedge enable a flat back position.
  • Anti-rebound panel increases stability when rear-facing and reduces rebound rotation.
  • Adjustable calf support and comfort liner provides additional comfort as they transition to forward-facing.
  • Safe+ Engineering for highest safety standards.
  • FAA approved, folds for travel.
  • Ultimate passenger comfort with spacious design.
  • At 17" wide fits 3 across in most midsize vehicles.
  • Designed with mesh panels and premium fabrics.
  • Machine washable.
Dimensions & Weight
  • 16" x 17" x 28" 
  • 34.2 lbs.
  • 4-50 lbs rear capacity to prolong safest travel position for infants.
  • 22-65 lbs forward-facing.
  • 40-120 lbs Booster mode.
  • Maximum height 57".
What's Included
  • All in One Car Seat
  • 2 XL Cup Holders
  • Car Seat Protector

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