Diono Radian 3RXT Review – Top Rated Car Seat

Diono Radian RXT Car Seat Reviews

Diono Radian 3RXT convertible car seat is one of the best seats that are available in the market.

We are not telling it for the sake of marketing or something like that. If you take a look at the seat, you will understand the rest.

This review will be on this seat where we’ll present it before you for your close consideration.

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The seat is not cheap and priced a bit higher than other convertible seats in the market.

This complete review will clear your thoughts on why the Diono Radian 3RXT convertible car seat costs this much.

Why You Should Buy Diono Radian 3RXT?

Before presenting the article we’ve thoroughly examined the seat. The Diono Radian 3RXT Convertible Seat is equipped with all the latest safety and comfort features.

But the first reason behind buying it should be on its dimensions. It’s one of the narrowest seats available in the market.

The Diono Radian 3RXT is an ideal choice for parents with twins. The design is unique in the scenes that three convertible seats can be set up on the backseat.

Moreover, the seat is a portable one. Portability in the convertible seats is a drastic feature. If you are a frequent traveler then you have no other option than buying best car Seat.

Diono Radian 3RXT Review

Now, here’s the review of this seat for you…

Basic Features –

At the beginning of the review, the seat should be properly introduced to you. We are determined to give a complete review on child safety seats. That’s why we’ll be critically analyzing the basic features too.

  • Item Weight: This seat weights 24 lbs. Okay, if it was a regular convertible seat, the 24 lbs product would have been an excellent one. But it’s a portable seat. Carrying a 24 lbs of weight on your back (it’s a special feature, and it will be discussed later on) may not be a joyful experience.

The weight is quite appropriate because the Diono Radian 3RXT Convertible Car Seat has a strong and heavy frame. This frame is a tough one. And comparing it with other compact convertible car seats (which is rare in the market), we have to admit that this seat has the most perfect weight.

Diono Radian 3RXT

  • Weight Capacity: Weight capacity is one of the major concerns of buying child safety seats. The manufacturer claims that Diono Radian 3RXT is the only child safety seat that your child will ever need.

The basic difference between the Diono Radian 3RXT and other ones is that the seat is three way convertible where others are mostly two way convertible. This means that, a Diono Radian will convert from rear facing to forward and from forward facing to a booster seat.

  • Rear Facing:

Each type of sitting position has its own weight capacity.  First of all, the rear facing mode has a weight capacity ranging from 5 lbs to 45 lbs. It’s great, wait, not only great, it’s more than great. 45 lbs capacity in the rear facing mode is an unmatched feature in a child safety seat.

Take a look at our website and you will find that rear facing seats are the safest for the child. That’s why it’s better to keep a child inside the rear facing mode for as long as possible. On that regard a 45 lbs maximum capacity in the rear facing mode ensures maximum safety for your child.

  • Forward Facing:

The weight capacity of the forward facing mode is stretched from 20 lbs to 80 lbs. It’s a regular size and there’s nothing to complain about it. About the time a child grows 80 lbs its physical structure as a child is almost complete. Meaning that; it won’t need the five point harness systems anymore.

  • Booster Seat Option:

So, whenever the child crosses the 80 lbs line or obtains an appropriate growth for the booster seat, you can take out the five point harness and use the same seat as a booster with the capability of restraining child up to 120 lbs. And it’s worth saying that 120 lbs is a car seats ready height.

So, what do we get?

Getting one ‘all in one child safety seat’ really means that you don’t have to buy any other seat for your child. In that case, you get to save a lot of money also.

Dimensions: A lot of improvements were made in the dimensions of the seat. The Diono Radian 3RXT has the following dimensions …

  • The seat depth – is 16 inches. You may have problems with a seat of 18 inches or more, but this seat has a perfect seat depth. Too deep seats are comparatively safer but the depth should be equally distributed too.
  • The seat width – is 15 inches. Yes, you’ve heard right. The Diono Radian 3RXT comes with a compact design. This width allows the accommodation of three seats on the back seat. It’s really a perfect size but a child with extra growth may not be able to feel comfortable inside the seat.
  • Car Seat Height – of the Diono Radian 3RXT is 28.5 inches. It’s long enough for a kid of 120 lbs. And it’s not too long that will hinder its maneuverability and portability.

Safety Features –

Indeed safety is the top most priority in a convertible or any kind of travel car seat. Now, here is the thing. You may misinterpret this compact seat as an unsafe one. Even we know that sometimes the safety of a seat gets compromised for its portability. But when we’ve examined this seat everything was clear to us.

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  • The Frame:

The most prominent source of the safety in this car seat is its steel frame. You should keep in mind that, the stronger the frame is the durable the car seat becomes. The Diono Radian 3RXT uses a steel frame that has aluminum reinforced sides.

This frame helps in huge impact force absorption and protects the child from the rear. Also, the frame was designed in a way that it could be folded. This way you get a product which will be portable enough to be carried on shoulder. Also, it’s the source of the extra weight of the seat.

  • Padding

The whole frame of the Diono Radian 3RXT is covered with advanced energy absorbing foam. The foam delivers both comfort and safety to the child. The sides are well covered and provide complete side impact protection.

  • Straps

Up to the convertible stage you can use the five point harness what will give your child a safer restraining. It also works as a bungee cord what prevents the child from leaning forward in the event of emergency. This type of strap is soft on your kiddo’s body and won’t leave any broken bones that are possible on high impacts.

So, ultimately you are getting a product which is portable and safe at the same time. If you closely observe the whole convertible seat market, you will find that there are only two seats available with strong iron frames.

Steel frames are a feature of high back booster seats. The Diono Radian 3RXT seat also becomes a booster seat and that’s why this frame has been introduced into it. So, here you have it. Among the whole list of best convertible car seats, this is the best one.

Comfort –

Nothing would be worthy of a convertible seat if it’s not comfortable enough. That’s why the Diono Radian 3RXT Convertible Car Seat has been engineered to be comfortable for both you and your kiddo.

It has comfortable foam and linings and most part of the seat including the head rest and other straps are adjustable. That’s why it’s a good product if you are going on road trips. To make the seat more travel friendly, you can fold it and carry it on your back.

This seat is not machined washable and it may be a drawback. You have to manually rub up any sort of spills and have to clean the seat from time to time. Some parents face difficulty while they are installing the seat, but the good thing is that you have to do the installation very rarely.

Other than these it’s a good product. If you have a narrow back seat this would give more comfort to persons sitting on the backseat. The material is also engineered to deal with perception and stay hygienic.

Other Facts –

After all these it must have been clear to you that, the Diono Radian 3RXT Convertible Car Seat is one of the best available seats in the market. Not only in our list but on most of the online stores this seat has a huge popularity.

  • Popularity: The popularity also indicates that the Diono Radian 3RXT gets a higher sale in spite of its higher price. This is such a product that survived major accidents and there are graphical proofs of it too.
  • Practical Records: On all the accidents the child was unharmed. This means that it has proven its effectiveness in crashes and will be safe for your child. It’s also FAA certified and had to pass other quality tests to get to your car.
  • Design: Ok, when it comes to a compact seat the list of convertible and booster seats become really narrow. This model and two or three others are only available in the market. Among them this is the best one that you should definitely get.
  • Storage: Another thing is that, the seat consumes a very little space when you have to store it. You can just fold it flat and shove it into any corner. With other products you will not get this benefit and they are really hard to store.
  • Price: Now, one of the most important issues of buying best child car seat, cost. The product costs a bit higher than regular convertible seats. That’s not a matter actually if you consider its longer usability.
  • Low Toxic Profile: The Diono Radian 3RXT Convertible Seat is unbeatable in its toxic profile. The materials are very much child friendly and very less burnable substances were introduced in the seat. Many parents have preferred this seat for its low toxic profile, would you?
  • Warranty: If you normally use the product and it shows any kind of flaws or physical or material errors and faulty workmanship the company will provide a one year limited warranty. If you have any sorts of problem after getting the product contact the Diono Consumer Care.

Customer Feedback –

This seat has a good customer feedback and we have talked to many parents owing this seat. They all seemed happy with it. But being a compact design it may create some problems. No car seat can give a hundred percent customer satisfaction.

You should check the manual thoroughly before installing the seat. That way you will be able to install the seat appropriately. Otherwise you will just be complaining like some parents about the flaws in the installation. Or, if you aren’t willing to face any hassle you should get the Diono super lock.

Recommendations –

We are recommending this product for two types of parents. The first type is the parents who travel frequently and have to take out the seat more often. This seat is both easy to carry around as you don’t need hands for that. There’s a shoulder strap that you can use.

The Diono Radian 3RXT Convertible Seat will be a complete solution for your child. An average newborn weights around five lbs. That’s why this seat can be used from the first day but if you see, there’s no child insert in the seat. Although the side impact protection makes up for it.

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Final Overview –

An all in one child safety seat like this saves a lot of money for you. Whether it’s your first child or you are hoping to grow your family, it’s a nice product. If you go the other way and buy all three types of seats differently it will cost more.

There, you have it. The whole features of Diono Radian RXT cracked open before you for your consideration. What we can finally say that, you can have faith on a product like this. And we hope that this Diono Radian 3RXT review helps you in understanding the product better.

Now, the choice is yours!


A Professional writer, blogger and researcher - who likes to research online on different types of baby safety seat and write complete reviews on it, so that this reviews can help other parents.

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