I’m quite sure that Diono Radian RXT and Radian R120 are two choices that you have on your mind when you are looking for convertible car seat and you consider Diono as your brand. There are several similarities that you can find between Diono Radian RXT and Radian R120 that may makes you confused on deciding which of them is the one that you should choose. There are also few differences that you should know that become the important factor for your choice. This article will talk about Diono Radian RXT and Radian R120 as well as their differences to help you decide which of them is the one that you should choose.
Diono Radian RXT Review

Diono Radian RXT is convertible car seat that can be used for 5-120 lbs kid with its 3 modes. It can be used as rear-facing infant car seat for 5-45 lbs infant, forward-facing car seat for 20-80 lbs toddler and converted into booster car seat for 50-120 lbs bigger kids. Diono Radian RXT is designed with Full Steel frame to make sure its safety level. Additionally It also comes with aluminium reinforced side walls while EPS energy absorbing foam is installed as additional side impact protection. Safe Stop energy absorbing harness system can be found on Diono Radian RXT. Safe Stop energy absorbing harness is especially intended to absorb the energy during an impact when the kid in forward-facing mode. Diono Radian RXT is completed with adjustable reinforced head position that comes with 12 height positions. While It provides additional side impact safety, this feature also ensure the right fit as the child grows.
Diono Radian R120 Review

Diono Radian R120 is also convertible car seat that intended for 5-120 lbs kids. It also can be used in 3 different modes : rear-facing for 5-45 pounds infant, forward-facing with 5-point harness for 20-80 pounds toddler and highback booster for 50-120 pounds big kids. Diono Radian R120 comes with completed safety features. It comes with aluminium reinforced sides, energy absorbing EPS and additional safe stop harness system. To make the baby more comfortable while also safe, Diono Radian R120 is completed with infant body support cushion and memory foam. To make the installation easy and quick, Diono Radian R120 is completed with superLatch installation that comes with visual indicator and audible click to make sure that It’s properly connected.
Similarities & Differences Table
I’m sure that you are interested to know more about the specs and features of Diono Radian RXT and Radian R120 before We talk more about their differences. Let’s take a look at their key specs and features on the table below before We go ahead and talk more about their differences.
Diono Radian RXT | Diono Radian R120 | |
Similarities | ||
Brand | Diono | Diono |
Car Seat Type | Convertible Car Seat | Convertible Car Seat |
Weight Recommendation | 5-120 lbs | 5-120 lbs |
Rear-facing mode Weight | 5-45 lbs | 5-45 lbs |
Forward-Facing mode Weight | 20-80 lbs | 20-80 lbs |
Booster Mode Weight | 50-120 lbs | 50-120 lbs |
Full Steel Frame | YES | YES |
SuperLatch Installation | YES | YES |
Infant Support cushion | YES | YES |
Total Side Impact Protection | YES | YES |
5 shoulder, 3 buckle positions | YES | YES |
Cup Holder | 1 (Included) | 1 (Included) |
folds flat for travel | YES | YES |
Differences | ||
Adjustable Head Support | YES | NO |
Price | Check Price on Amazon.com | Check Price on Amazon.com |
Diono Radian RXT and Radian R120 Differences
We can see, from the table above, that the key difference of Diono Radian RXT and Radian R120 come from the adjustable head support that attached in Diono Radian RXT. You can’t find any adjustable head support in Diono Radian R120. With adjustable head support that completed with 12 height position and powered by aluminium reinforcement, you can get additional safety for your kid on the head and neck area. This feature will also make your child comfortable with its right fit as They grow bigger.
Talking about the price of Diono Radian RXT and Diono Radian R120, We can find that Diono Radian RXT is usually offered at the higher price since It comes as the higher model. We can find that the price of Diono Radian RXT and Diono Radian R120 change from time to time. So it’s a good idea to check their latest price so that we can find their latest price difference.
Why Diono Radian RXT is a Better Choice?
Diono Radian RXT comes as the higher model than Diono Radian R120. It comes with additional adjustable head support that bring additional safety for the kids especially on the head area. It will also make the children comfortable with 12 height positions as the kid grows. With additional adjustable head support, you should prepare more budget for Diono Radian RXT. If you have additional budget, choosing Diono Radian RXT is a good option to consider since you can make your child more secure and comfortable with its adjustable head support. Where should you order Diono Radian RXT? You can order Diono Radian RXT from Amazon.com…
But if you are in more limited budget for your next convertible car seat, then Diono Radian R120 is still a good choice for you. It’s almost identical to Diono Radian RXT without adjustable head support. The customers have also proved that this car seat is an excellent car seat to be used for the kids. Where’s recommended place to order one? You should order Diono Radian R120 from Amazon.com…