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Product Dimensions

Open 28.5" H x 17" W x 16" D
Folded 28.5" H x 17" W x 10" D
Weight 26.15 lbs
CARE Hand wash or machine wash only in front loading machine. Line dry or tumble dry on low temperature.

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Radian®RXT

Convertible+Booster Car Seat

The Radian®RXT Car Seats are designed with your child's security and safety as top priorities. Premium materials and thoughtful safety features like a steel alloy frame, aluminum reinforced side walls, energy absorbing EPS foam, and a five-point harness put your mind at ease as your little one stays safe and sound. The reinforced adjustable head support provides additional side impact protection.

Key Features

  • Full steel frame and aluminum reinforced sides for unmatched safety
  • Comfortably seats rear-facing children from 5-45 lbs, forward-facing children from 20 - 80 lbs in a 5-point harness, then converts to a booster for children up to 120 lbs.
  • Unique SuperLATCH system that makes installation easy
  • It also fits 3 across in most mid-size vehicles, folds flat for travel and is FAA certified
  • Booster mode from 50 - 120 lbs (40 to 57 inches)
  • NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions

Additional Features

  • Infant body support cushions and memory foam for added comfort
  • Energy absorbing EPS foam and side impact protection provides added safety
  • Safestop® energy-absorbing harness
  • Additional forward-facing recline position to accommodate different types of contoured vehicle seats, 12-position adjustable headrest, 5 shoulder and 3 buckle positions deliver a comfortable ride.
  • Rear-facing tether capability
  • LATCH installation
  • Additional set of harness pads included to use only when the child is over 65 lbs in the 5-point harness
  • Expandable sides and long seat bottom allow proper leg support
  • Low-sitting profile makes it easy for your child to board
  • Angled cup holder keeps a variety of drinks upright and within easy reach
  • Cover is machine washable (we do not recommend one with an agitator) and dryable
  • Rubber bottom grips for no-slip installation
  • 10 year life

REVIEW SNAPSHOT®

by PowerReviews
DionoRadian®RXT
 
4.7

(based on 305 reviews)

Ratings Distribution

  • 5 Stars

     

    (230)

  • 4 Stars

     

    (58)

  • 3 Stars

     

    (9)

  • 2 Stars

     

    (7)

  • 1 Stars

     

    (1)

94%

of respondents would recommend this to a friend.

Pros

  • Comfortable (4)
  • Durable (4)
  • Safe (4)
  • Stylish (3)

Cons

    Best Uses

    • Toddler (4)
    • Infants (3)
      • Reviewer Profile:
      • Parent of two or more children (5)

    Most Liked Positive Review

     

    Definitely the best car seat on the market!

    We've had out Radian for a little over a year now. Bought it when my daughter was 10 months old. Reviews from friends were awesome. Said this is the way to go. My...Read complete review

    We've had out Radian for a little over a year now. Bought it when my daughter was 10 months old. Reviews from friends were awesome. Said this is the way to go. My other daughter has a Recaro. and this by far surpasses the Recaro!! the extended rear facing and the angle adjuster option are a huge plus. Also, the size is wonderful. They are so slim, which makes them way less bulky in my opinion. we'd buy another in a heart beat. Diono also has awesome customer service! Looking for a car seat from birth to booster. Never having to buy another? This is the one for you!

    VS

    Most Liked Negative Review

     

    Disappointed and not impressed...

    I had to do my research on the best carseat for our family since I have a smaller car ('05 Toyota Corolla)--and realized that I may have an issue with giving the...Read complete review

    I had to do my research on the best carseat for our family since I have a smaller car ('05 Toyota Corolla)--and realized that I may have an issue with giving the front passenger enough leg room for them to be somewhat comfortable. After thorough research for the best type of carseats for compact cars, it came down to the Diono Radian RXT and a competitor brand. While I wasn't keen on the price (paid over $550 for two for our two vehicles), I felt that it was the right fit for our family based on the exceptional reviews I had read about, espeically for the safety reasons. My gripe with this carseat is that once my son is in it (currently it is rear facing) and I pull up on the strap to tighten him in, the straps NEVER get tight enough. At first I thought that maybe it was the way I installed it, so I uninstalled it, checked the straps and reinstalled it. Again, I have to pull so hard on the strap that I can literally make my car rock back and forth! I thought maybe it was just the angle that it happened to be in while in my car, but when I tried the strap on the seat in my husband's car (Mercury Mariner), it was even worse! You can barely pull up on the strap--it's almost like something is getting caught and won't let you pull up on it, but there's nothing in the way, so I don't know why it's so hard. To "fix" this, I have to pull on the (exposed) straps in the back to get the slack tightened and then at the same time, pull up on the strap to get rid of the slack. I cringe everytime I put my son in it and wish that I had never bought them. Another reason why I bought them was because it was rated to 120 pounds and that it would have to be the only car seat I buy. Instead of thinking that this is the only car seat I'll have to buy, I'm debating if I should purchase new ones--and who has the money to do that all over again...To make matters worse, we moved at the same time and of course threw out the boxes, so returning them wasn't an option. Overall, I was very excited to get them, but disappointed once they were installed.

    Reviewed by 305 customers

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    5.0

    Safety first

    By 

    from Redondo beach CA

    About Me Parent of Two or More Children

    Pros

    • Comfortable
    • Safe
    • Sturdy
    • Stylish

    Cons

    • Bulky
    • Heavy

    Best Uses

    • Infants
    • Newborn
    • Toddlers

    Comments about Radian®RXT:

    Super safe!!

     
    5.0

    It's so comfortable

    By 

    from Los Angeles, Ca

    About Me Parent of Two or More Children

    Pros

    • Comfortable
    • Easy to Adjust
    • Safe
    • Sturdy
    • Stylish

    Cons

    • Easy To Unbuckel

    Best Uses

    • Toddlers

    Comments about Radian®RXT:

    My 30 pound 40 inch 3 year old loves her new seat. "I want to go in mommy's car, my new seat is so comfortable!" is a direct quote. I love the harness only thing is that she can unbuckle the chest part herself so we have had to work on asking first. We also have the seat protector given as a gift which is great. I cannot wait to install the 2nd seat for my infant more reviews to come!

     
    3.0

    digs into legs.

    By 

    from michigan

    About Me Parent of Two or More Children

    Pros

    • Safe
    • Sturdy
    • Stylish

    Cons

    • Bulky
    • Crotch Strap Cuts Into Le
    • Heavy
    • Poor Construction
    • Uncomfortable

    Best Uses

    • Infants

    Comments about Radian®RXT:

    The crotch buckle digs into my daughter's leg. Definitely not ideal for the long road trips I bought this carseat to use for.

     
    5.0

    I wish I had purchased this seat much sooner!

    By 

    from Anchorage, AK, United States

    Comments about Radian RXT:

    We've had our Radian RXT for about a month now and my 2 year old loves it! Purple is her color. The memory foam is wonderful, especially on the straps. She falls asleep almost every time we go in the car! My husband was impressed with the steel frame. This is an extremely well built car seat and was worth every penny.

     
    5.0

    Almost 2 years later

    By 

    from Japan (for now)

    About Me Parent of Two or More Children

    Verified Reviewer

    Pros

    • Comfortable
    • Easy to Adjust
    • Easy to install
    • Lightweight

    Cons

      Best Uses

      • Toddlers

      Comments about Radian®RXT:

      I bought this just before I went on vacation from Japan to the midwest. I will admit that backpacking it and ergoing my 15 month old through an international airport was not a fun time (mostly due to an old back injury), but compared to trying to lug a non-collapsible/non-backpackable carseat for the plane, it was great. I had it installed securely via LATCH before my father could get a proper hello hug from my son. My daughter is getting ready to move to a convertible seat and am anxious for her Pacifica to get here. :) I'm so thankful that my friend recommended this company to me.

       
      5.0

      Best car seat I've ever owned

      By 

      from Nashville, TN

      About Me Parent of Two or More Children

      Verified Reviewer

      Pros

      • Comfortable
      • Easy to install
      • Safe
      • Sturdy

      Cons

        Best Uses

        • Infants
        • Toddlers

        Comments about Radian®RXT:

        We've had this seat for over a year now. It's been through a lot, to say the least. I did buy the angle adjuster. It's a must for midsize cars like mine, 2001 Accord. My son is still rear-facing at 2y4m old. He honestly cried in every single seat I bought before this one. He hated feeling confined. This seat gave him the option of being safe and comfortable. LATCH made the install super easy. I love the lower anchor locks. Seriously, they're super easy to use. Now I use the seatbelt to install and it's difficult in some bechiles of the seat belts are slicker than mine. But I just turn the car seat sideways and thread it through. Then I buckle it while holding the slack. Then I turn the seat right ways and start tightening. It sounds like a lot but it only takes about two minutes. My son weighs about 38lbs and is about 38in tall, mostly leg. He's still on the third harness slot since it's below his shoulders and the next one is still above. I do wish it came with thinner shoulder pads. The ones it came with are really thick and I couldnt get him buckled correctly with them on. If you decide to buy this seat, definitely purchase the angle adjuster with it. You'll get a lot of room back when it's installed. We also bought the waterproof seat cover. Definitely worth the ten dollars too. It's great for leaky diapers and spilled drinks and food. It saves the hassle of having to wash every time.

         
        5.0

        Love Diono!!

        By 

        from AR, United States

        Comments about Radian RXT:

        We have had one for our son for over two years now and is working great and just purchased a second one for baby #2. We have big kids so both were in the seats around 5&8 months; the infant carriers got to heavy to lug around. Recommend getting the block or putting a towel under the seat to raise it up when rearfacing. You can definitely have your child rearfacing longer in these seats (we went to 34inchs/just over 2 for our son, and could have easily gone longer). The covers are easy to wash. Accessory must haves: seat protectors, travel bag and extra strap. Difference in design from 2012-2014: the new strap covers; which we love, and would like to buy separately for our son's older model.

         
        5.0

        Awesome carseat in every way!!!

        By 

        from CT, United States

        Comments about Radian RXT:

        We absolutely love this carseat!!! My son is a chunky baby at 24 pounds at 11 months and he loves this carseat. It fits great in my Subaru Outback and it's low profile to the cars seat makes it so easy to get my son in and out of it. We loved this carseat so much we got 1 for my husband's truck and a spare for the grandparents. We have already recommended this carseat to 2 friends. I also like that this is the last carseat we will have to buy.

         
        5.0

        Comfort

        By 

        from Naselle, WA, United States

        Comments about Radian RXT:

        I purchased this seat after a lot of research. Love that it has the steal frame (safey peace of mind), the narrow base, and the memory foam padding for my daughters comfort. Easy to install. I did have to purchase the diono angle adjuster. But my daughter seems to love being in it.

         
        5.0

        Great Product

        By 

        from Roseville California

        Comments about Radian®RXT:

        Our daughter bought 1 and recommended it to ud. We bought 2.and really like it. Pretty easy to install especially after viewing a video. Well built. Our family has purchased a 3rd and the other grandparents are planning to buy a 4th.

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