When comparing The Diono Radian R100 Vs RXT, it’s quite easy to decide since they are more different than similar, compared to when you compare the RXT to R120.

Let’s start with the differences.

 

Last Updated: February 28, 2018

 

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Diono Radian R100 Vs

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Diono Radian RXT

 

The Differences


Radian R100 Radian RXT
Rear-Facing Weight: 5 to 40 lbs 5 to 45 lbs
Forward-Facing Weight: 20 to 65 lbs 20 to 80 lbs
Booster Weight: 50 to 100 lbs 50 to 120 lbs
Seat Has A Head Wing: No Yes
Seat Weight: 25 pounds 27 pounds
Added Structural Support: No Yes
Memory Foam Under The Bum: No Yes
Comes With An Infant Body Support? No Yes
Comes With A Cup Holder? No Yes
Number Of Slots For Cup Holders: 2 4
More Color Options: No Yes
Price Cheaper Yes No

 

The RXT Has Higher Weight Limits


 

Whether it is rear-facing, forward facing or booster mode, the Diono Radian RXT can be used for heavier kids.

This is particularly important especially for older kids.

However, the 100-pound limit of the R100 is also generous enough especially that they both come with the same height restrictions for all modes, anyway.

 

The Diono Radian RXT Has A Head Wing


 

There is a debate among parents about the importance of having the head wing in the seat.

Most parents would prefer it to be there since it is an important safety protection, especially for the head area.

However, parents with taller kids say that it can hinder their kids’ shoulders as they grow. Sometimes moving the head wing all the way up helps so that it doesn’t get in the way of the passenger’s comfort. But there are times that moving it up doesn’t suffice and still make a tall kid’s shoulders uncomfortable.

 

Diono Radian R100 All-in-One Convertible Car Seat, For Children from Birth to 100 Pounds, Black Mist (Discontinued)
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The R100 Is “Lighter”


 

The Diono Radian R100 is 2 pounds lighter than the RXT. Although “lighter,” it’s still considered to be heavy especially when carrying it in your back should you decide to air travel with it.

Since both seats have full steel metal frames, considering attaching it to a car seat travel cart should you be flying with it.

Carrying it with straps as advertised will break your back or shoulders.

 

The RXT Has An Added Structural Support


 

The Diono RXTs higher weight limits are the reason why the manufacturers added structural support for the RXT. Since it will be accommodating heavier kids, it is only ideal to enhance its structures.

 

The RXT Has An Added Memory Foam On The Bum Area


 

Long rides will not be a problem for the RXTs passengers since it is well padded especially in the bum area.

 

Diono Radian RXT All-in-One Convertible Car Seat, For Children from Birth to 120 Pounds, Shadow (Discontinued by Manufacture)
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(As of: 2021/07/16 6:03 am - Details
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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The Diono Radian RXT Comes With An Infant Support


 

I am not very confident with using both seats for newborns. Newborns and young babies who do not have a proper head and neck control yet should sit in a more reclined seat.

Both seats tend to be too upright for young babies.

I feel the additional infant support is not necessary since if I would be using any of this two, I would only use them as soon as my child outgrows her infant seat. She wouldn’t be needing an infant support by then.

 

The RXT Comes With A Cup Holder


 

The Diono Radian R100 would need a separate purchase of a cup holder since it doesn’t come with it.

 

There’s More Room For Cup Holders For The RXT


 

I am not sure if you need four cupholders, but the RXT definitely comes with more slots for it. As advertised, you can put toys, bottle, sippy cup and more toys in them, however, only one is included if you purchase the RXT.

You will have to get the additional three cup holders separately.

The R100 comes with two slots for it. And since it doesn’t come even with just one cup holder upon purchase, you will have to get it separately.

 

There Are More Colors To Choose From With The RXT


 

Not that it is important, but some parents prefer to have more options when it comes to colors.

 

Check Out The Colors

 

Diono Radian R100 Diono Radian RXT
  1. Black Cobalt
  2. Black Plum
  3. Black Mist
  4. Essex
  1. Black Cobalt (Blue)
  2. Midnight
  3. Essex
  4. Shadow
  5. Black Scarlet
  6. Black Mist
  7. Black Plum

 

 

The Diono Radian R100 Is Cheaper


 

There is an approximately USD 80 price difference between the two seats.

 

Compare The Price Difference

 

Radian R100

Radian RXT

Click Here To Check The Latest Price

Click Here To Check The Latest Price

 

 

 

The Similarities

 

Ideal Use


 

Radian R100 Radian RXT
Rear-Facing Height Limit: 44 inches
Forward-Facing Height Limit: 57 inches

 

Will It Fit In My Car?


 

Radian R100 Radian RXT
Width 17 inches (overall width, with seat cover)
Height 28.5 inches
Depth/Length 16 inches

 

Installation


 

Radian R100 Radian RXT
Do I need to use a pool noodle/rolled towel? No
Easy To Install Rear-Facing? Relatively
Easy To Install Forward-Facing? Relatively
Easy To Uninstall? Yes

 

Safety


 

Radian R100 Radian RXT
Country Of Origin: China
Steel Frame: Yes
Five-Point Harness? Yes
Side Impact Tested: Yes
Approved For Airplane Use: Yes
Easy To Buckle And Unbuckle? Yes

 

The Seat


 

Radian R100 Radian RXT
Is The Material Breathable? Yes
Machine Washable Cover? Yes
Roomy? Yes
No-Rethread Harness? No
Easy To Remove Cover? Yes
Expiration 10 years
Shoulder Harness Has Pads? Yes
Leg Straps Has Pads? No

 

Conclusion


 

Being approximately USD 80 apart, let’s enumerate again what the price increase is for.

 

  1. The RXT can be used until 120 pounds instead of 100 pounds.
  2. The RXT has a head wing for added safety.
  3. The RXT has added structural support.
  4. The RXT has an added memory foam under the bum area for comfort.
  5. The RXT comes with an infant body support.
  6. The RXT comes with a cup holder.
  7. The RXT comes with more slots for cup holders.
  8. The RXT comes with more color choices.

 

Now let’s put ourselves in the shoes of parents who are looking to get a seat for an older child.

 

  1. Will they need higher weight limits? – Yes. They wouldn’t know how heavy their child would end up.
  2. Will they need a head wing? For safety purposes, yes. But if their genes tend to produce tall kids, the absence of the head wing is better for comfort.
  3. Will they need the added structural support? No. The R100’s structure is already good enough for its weight capacity. The RXT has only been added the extra structural support so it can safely accommodate the added weight capacity.
  4. Will they need the added memory foam in the bum area? Yes. The more padded it is, the more comfortable the passenger will be, especially on long rides.
  5. Will they need the infant body support? No. Again, I feel both seats are too upright for newborns and young babies. Best to use them after your child has gained proper control of their heads.
  6. Will they need a cup holder? Yes. But just one would do.
  7. Will they need more slots for cup holders? I don’t think so.
  8. Will they need more color options? No. Well actually, it depends on the parent. LOL

 

Having enumerated the eight factors that raised the price of the RXT to USD 80 more, it looks like the only important factors are the higher weight limits, the head wings, the added memory foam for longer rides, and the cup holder.

 

Are these four points worth USD 80? I’d say yes.

 

Do You Need More Help Deciding Between

The Diono Radian R100 Vs RXT?

 

See My Diono Radian R100 Review

Read My Diono Radian RXT Review

 

Which of the two seats gets your vote and why?

I’d love to know your thoughts in the comments section below!

 

Cheers!

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The Diono Radian R100 Vs RXT


 

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Read Related Reviews


 

 

October 23, 2017 Update:


Diono started to voluntarily recalling over 500,000 Diono car seats. Affected models are those manufactured between January 2014 and September 2017.

The following models are affected:

  1. Diono Radian RXT
  2. Diono Radian R120
  3. Diono Radian 100
  4. Diono Olympia
  5. Diono Pacifica
  6. Diono Ranier

According to Diono’s internal testing, using the above car seats for children over 65 pounds and secured only by lap belt but without top tether may be at risk of an injury. See the guides.

diono recall

Models from October 2017 onwards, are not affected by the recall as of this update.

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  1. For me, I needed two new car seats at once in order to fit three across in the third row of a minivan. This was a pretty huge expense for us. By finding the R100 on super sale for well under $180, it enabled us to buy two at once, fit three kids in back safely, and even get our 3 year old to go back to rear facing. So for us, it was all about getting that safe steel frame and the comparatively long rear-facing capacity, at a really good price that was affordable. Just in my opinion, it wouldn’t have been worth it for us to pay an extra $200-250 or more total for the extra features. But that’s just us.

    1. Hi Emily,

      I am not actually surprised that R100 still gets especially preferred by practical parents. It’s not a bad seat and would actually do the job even without the bells and whistles.

      Thanks for sharing. 🙂 Glad to know it worked for you!

      Regards,
      Pitin

  2. I especially like the Diono RXT than the 100 because it seems to have more of everything. It allows for more weight, it has a cupholder, an added memory foam for the heavier kids (which mine is a pretty heavy five-month-old already) and more colors to choose from.

    I agree with you that I wouldn’t use any of these seats for infants. Even though the product is supposed to be safe for infants, I would wait until my baby boy can have full control of his head and neck. I don’t care if that means spending more at front. My baby’s safety is the most important thing, for sure.

    I thought the RXT and R100 were quite similar! How wrong I was! I am glad I came across your review. It made my decision so much easier.

    1. Hi Liliana,

      Thanks for dropping by and sharing your thoughts. At first, I thought they were too similar and just choosing any of them would do. But after reading forums, reviews and feedbacks from Amazon, it’s surprising to realize that they are actually quite different.

      Regards,
      Pitin

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