Diono Radian RXT Car Seat Review

Diono Radian RXT Car Seat Review

A large-sized and well-cushioned convertible car seat that also acts as a booster and can accommodate children of larger sizes is wanted by every parent that worries about growth spurts. The Diono Radian RXT Car Seat is the one-stop for all the parents that worry about their children’s growth spurts. This car seat booster is also a convertible car seat with a harness adjustment and an extra heavyweight capacity to fit children of larger sizes. While the car seat is extremely well-cushioned, it also has a cup/snack holder attached to the side. With its push-on latch connections and rethread harness, it is very easy to use and stays sturdy no matter how much the vehicle moves.

Cup/snack is attached

Push-on latch provision

Rethread adjustable harness

Large capacity
Recline level not adjustable

Base width cannot be adjusted

Armrests are not present


  • The rear-facing weight capacity of the booster is 5-45 lbs while the height capacity is less than 44 inches.
  • The front-facing weight capacity is 20-80 lbs with a height capacity of fewer than 57 inches.
  • The total weight capacity of the booster is 50-120 lbs, with a total height capacity is 40-57 inches.
  • The seat weighs 27 lbs with a seat base width of 13 inches and a total base width of 17 inches. The shell height is 25 inches with an overall height of 28 inches.
  • Its push-on latch connections perfectly hold the seat in its place.
  • It has a harness with a large adjustment capacity and is a rethread-type.
  • A cup/snack holder is attached to one side of the booster.

Diono Radian RXT Car Seat Review

Material UsedFoam, Nylon, Steel, Aluminum, Polyester, Plastic
IncludesShoulder Belt Guide, fabric cover, 2 Car Seat Strap Covers
Dimensions (Overall)28.35 Inches (H) x 16.93 Inches (W) x 16.14 Inches (D)
Fits Child (Forward Facing)Height between 30 Inches and 57 Inches, Weight between 22 Pounds and 65 Pounds
Fits Child (Rear Facing)Height between 18 Inches and 44 Inches, Weight between 5 Pounds and 50 Pounds
Care & CleaningMachine Wash, Spot or Wipe Clean
Warranty1 Year Limited

Special Features:

Diono Radian RXT Car Seat Review

  • Large capacity:

With the capability to hold children of heavier weights and relatively taller heights, the seat is a perfect booster that can also be used as a convertible car seat. With a large seat capacity, it can accommodate children of larger sizes keeping parents that worry about growth spurts at ease.

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