Diono Radian RXT Convertible Car Seat in Storm

by Diono
Today: $278.99
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ITEM# 15548987
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ITEM#: 15548987

The Radian RXT is highly versatile, featuring rear-facing, front-facing and booster seating options. This convertible car seat includes an adjustable head support with additional side-impact protection.

Feel absolutely confident when you buckle this convertible car seat from Diono Radian into your car thanks to its crash-tested full-steel frame. The seat is fully convertible, changing with your child's needs as he grows, yet it fits comfortably in the three-across back seat of a midsize vehicle. The seat includes a cupholder to give your child all the convenience you enjoy in your own car.

  • Full steel frame and aluminum reinforced sides for unmatched safety
  • Comfortably seats rear-facing children from 5-45 pounds
  • Forward-facing children from 20-80 pounds in a 5-point harness
  • Then converts to a booster for children up to 120 pounds
  • SuperLATCH system for easy installation
  • 12-position adjustable head support, reinforced for additional side-impact protection
  • Infant body support cushions and memory foam for added comfort
  • Cupholder included
  • Safestop harness and EPS foam for state-of-the-art energy absorption
  • Five (5) shoulder adjustments, three (3) buckle adjustments, two (2) recline positions for custom comfort
  • Expandable sides and longer seat bottom for comfort
  • Fits 3-across in a mid-size vehicle, offering additional shoulder space
  • FAA certified
  • NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions
  • Folds flat for storage and travel
  • Cover is machine washable and dryable
  • 10 year life
  • Materials: Steel alloy frame/aluminum reinforced sides
  • Pattern: Storm
  • Dimensions: 28 inches high x 16 inches wide x 17 inches deep


Material Aluminum
Accent Type Accent Jars
Color Grey
Weight Capacity 60 lbs. or more
Dimensions See Details
Warranty 1 year Limited Manufacturer
Country of Origin China

Customer Reviews

5 Stars
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  • Most Helpful

  • Great Product. Fast Shipping.
    Verified Purchase

    Fantastic carseat. We have been wanting to switch to this carseat for all our littles after we bought one for our ever growing 4 year old. We wanted to keep him in a 5 point harness as long as possible and this fit the bill. It's also much less bulky than the britax blvd that we had before.

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  • Great Car Seat!
    Verified Purchase

    This car seat is easy to install and allows for us to fit three car seats in the back of my sedan. My son tells me it is really comfortable too.

    Read More
  • I feel like my kids are super safe in this car sea
    Verified Purchase

    For my daughter who is now 3 we purchased this same car seat when it was part of the Sunshine Kids line. Becuase of the slimness of the seat (16" wide!) and the materials used for it (steel), while it s a VERY heavy carseat, I feel like my kids are extremely safe in it. So when we needed a car seat for my son, I looked to the new brand of the same seat. I am happy with the improvements that they made to the cushion around the seat buckle and there seems to be a bit more padding in the lumbar area. The only complaint I have about the seat is it's weight, but I feel this also adds value to the safety of it, so the safety outweighs (no pun intended) the heaviness in my mind.

    Read More
  • Most Recent

  • Secure car seat!
    Verified Purchase

    Purchased this to use in my Honda Pilot since I care for my granddaughter. So far we have used it rear facing, latch system with the tether to the floor (watched a youtube video for installation) We also purchased the Diono Angle Adjuster whick was worth the *** . This is the most well made and safe car seat I have ever seen. It is space saving without sacrificing quality. It also comes with straps to carry it like a backpack when it is folded up (great for airports)

    Read More
  • Might not be wide but tall
    Verified Purchase

    I read a lot of reviews on this car seat that is one reason I bought it because they were mostly good. But come to find out that this car seat is extremely heavy, difficult to move for vehicle to vehicle, and difficult to place in a car. I have a dodge journey and I have to put my seat straight up and down and as close as I can to make it fit. It will not fit in the middle so it has to be placed behind the seat. Do not think I would recommend this car seat to anyone. The Safety rating is good but practicality is not good.

    Read More
  • Our family has 5 of these
    Verified Purchase

    These car seats can't be beat! They are heavy to carry, but have an excellent safety rating, a slender profile and are low enough to the seat for a child to easily clamber in. We find them easy to keep clean and comfortable for the child.

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  • I feel safe putting my child I this seat
    Verified Purchase

    I did a lot of research on car seats and just waned a safe seat that could withstand a major impact and after reviewing many. This best fit our needs. This car seat is h-e-a-v-y! But we've never moved it once it was installed. But the thing is definitely sturdy and not all plastic like others we've seen. So that doesn't really bother us. Great for using multiple car seats together since you can fit 3 in the back seat with no problem. It's not the cheap but you'll feel confident putting your child in this seat.

    Read More
  • great car seat
    Verified Purchase

    my five year old is only 30lbs. this car seat is great quality. the buckle is a little difficult for me to get off but the safety factor makes up for it.

    Read More

Questions & Answers

  • Q:

    "Why did you choose this product?"

    • A:

      Highly regarded car seat for safety and extended rear facing option. All steel reinforced frame and 10 year lifespan of seat was also a huge factor.

    • A:

      I can fit this car seat, an infant car seat and another kind of car seat all in the back of our Accord. We didn't want to buy a van at this point, so a friend of mine recommended this one. The safety reports were really good on this particular brand of Diono.

    • A:

      I already have one of these for my grandchildren. I actually ordered one from Overstock in December, but my order was cancelled. This one cost more than $100 more. I sure wish I'd been able to get the one with "minor cosmetic damage." Grandparents don't have extra Franklins to throw around.

    Read more Read less
  • Q:

    "What manufacture year are these car seats? Car seats expire 6 years after the manufactured year and I'm concerned tjese are already a year or two old given the price reduction compared to other sites. All carseats say their year on the car seat."

    • A:

      Hello 2underTwo, I hope your day is going well. The date on the chair is September 2014. Thank you for shopping with us and have a great week.

Shopping Tips & Inspiration

Shipping & Returns

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.


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