Diono Radian RXT Convertible Car Seat


With a highly versatile design and a promise of safety and comfort for your child, here is the Diono Radian RXT Convertible plus Booster Car Seat. If you’re looking for a car seat that lasts long and can truly live up to people’s expectations of safety and comfort then Diono Radian RXT is the car seat for your child. Read on to know what this unit can offer.

Diono Radian RXT Seat
The Diono Radian RXT Convertible Car Seat has features that can be adjusted and has the ability to carry a child from birth up to 120 pounds and 57 inches tall. This unit is specially designed to offer security and longevity with materials known for its premium quality. Safety features include aluminum reinforced side walls, steel frame, and adjustable support for the head. In addition to that, it also has energy absorbing EPS foam and a five point harness.

Safest Car Seats

Car seats under the Diono Radian family are considered to be the only convertible and booster seats using a full steel frame putting them on top of the list of the safest car seats found anywhere today. Rear facing can carry anywhere from 5 to 45 pounds, while forward facing can accommodate between 20 and 80 pounds in 5-point harness while the booster is up to 120 pounds.

Infant body support cushions and memory foam

These features are added to supply additional comfort for your child. The car seat also has a built-in adjustable headrest with strengthened sidewalls.

EPS foam and energy-absorbing harness system

These features are designed primarily to better guarantee your child’s safety.

Can fold flat for travel

Diono Radian RXT FlatOther than its ability to be folded for travel purposes, it can also fit three across in mid-sized vehicles.

Product Highlights

  • The Diono Radian family of car seats are the only convertible+booster seats with a full steel frame making them one of the safest car seats available today
  • Fits rear-facing children from 5 – 45 lbs
  • Fits forward-facing children from 20 – 80 lbs
  • Converts to booster mode for children from 50 – 120 lbs
  • SafeStop energy absorbing harness system
  • Adjustable, reinforced headrest
  • NCAP crash tested at twice the force of a standard crash test
  • Unique SuperLATCH installation
  • Infant body support cushions and memory foam for added comfort
  • 5 shoulder, 3 buckle positions for a comfortable ride
  • Fits 3 across in most mid-size vehicles
  • FAA certified
  • Folds flat for travel and storage
  • One cup holder included
  • 10 year product life

Pros & Con

+ It is comfortable and durable
+ Safe and stylish
+ The steel frame offers the best security
– The unit is heavy


Most of the reviewers on different baby car seat reviews have expressed their love for Diono Radian RXT Convertible plus Booster Car Seat simply because of its sturdiness, safety and comfort. Because of its steel frame, you are ensured of its longevity and durability and offers reliable security and protection for your child. If you have a toddler at home or an infant, this is the best car seat for you to purchase. However, some reviewers have found it to be a bit heavy and can a bit tricky when used on old cars. In a nutshell, this is a great seat for you and for your child.