best convertible car seat for Prius Guide [October 2022]

We are going to talk about convertible car seats for Prius here. A Toyota Prius is a 4-door hatchback manufactured from 2010 to 2015, and the global market offers not only an abundance of choices, but it is also challenging to choose the right one for your car. 

Car Seat Fit Project has compiled this list of our internal rankings of the best car seats that have been found to fit this car based on actual fit tests. Interior vehicle measurements, and user feedback, to make an informed decision whether this particular seat will fit your car comfortably. Listed below is a comparison of the top 5 best convertible car seats so that you can save time and money while shopping.

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 Best Convertible Car Seats for Toyota Prius: our best pick

ModelImageKing feature
Graco SlimFit 3 in 1 Car Seat kx4wEhNkQNE1GDJTzJZZGd oejXpqqwyaeBZbaaroAPJnDvvO3y5zbrPRvIhb5w7vsmvYeiKVmU6y4XaCzod10bFIX t3Ie9KCbrXc pWH0szEswmZgozkEgRwApPLOvdA1 UwQ6Bestseller
Cosco Apt 50 Convertible Car SeataNlSShzbTptMy6EprlefAovHJgUiv1DHXThKyL6o4UkFX 16nCn2jilWulfNVGv AtKPSZSbqbs gUygl4iGZtShjLtdZ62F9PPX8PCDPlNhjfB42sAV8 DefThHj8JvC6z5n ljBest quality
Graco Tranzitions 3 in 1 mNL8qgF hGcvCduE6CFAAxyh8suHU 8czf6h TplAlKDRMjnwHnIFUB3E4lhPTQkDAb2pMkSDVh1rY5nP5d4HWA H8Yf nfV uPIwyR41Bn7BzerZRnM6EnaQGfkTujukHwD kyBest budget
Graco Grows4Me 4 in 1 Car Seat ksM87Prx19AbrAQWbj6L9DGLTmzXrOI eTfwexCofwFx6MTQGkSmcdZdpcKQdnXWgKYZmbkU8bpZi2sJvq5yIOGOQDD8S SpJJOS5bUmSlt4ZIS nHeppEY4qjYI2IBK0rVyNeMv
Best convertible car seat for prius
Safety 1ˢᵗ Grow and Go U1xDiZTNvKW7srPOSOUw CJZzq1ePYJuZ6CSlBARPGxFHPRpAiYezMUiYl2i n7r2t sTPbxTYB9Csz3pYLoall -in-one

1. Bestseller Graco SlimFit 3 in 1 Car Seat 


Because of its many unique features, this car seat is one of my favorites. I love the cushioning of the Graco SlimFit! We’ve had ours for several years, and it’s much more comfortable than the 4Ever. There is a good amount of cushioning in the head and butt areas and lumbar support. Steel is used to reinforce the frame, but the “beams” are neither thick nor wide. 

Bestseller Graco SlimFit 3 in 1 Car Seat 
Graco slimfit side view

There is no doubt that this explains SlimFit’s lighter weight. SlimFit is also equipped with the insight latch system, which is a must-have. It was pretty easy to install, although the insight latch belt was a little challenging to get as snug as I wanted. Maybe that’s because it’s brand new. There’s an automatic headrest adjustment when you adjust the harness.

It has a slightly slimmer seat and base. Compared to 4Ever, it seems to have a bit more room. There is only one con in this product: there are only four “recline” positions. It would be more comfortable if there were at least five reclining positions. In conclusion, the SlimFit is safe and comfortable to use.


  • Good for small cars
  • Extremely easy to install
  • Cup holders in the correct position
  • Safe and secure car seat


  • Only four recline positions

2. Best quality Cosco Apt 50 Convertible Car Seat

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I like this car seat because it is made of just one piece of injection-molded plastic, and this car seat is very light. In addition to the easily removable cover, it also includes the single latch strap that works both for rear and front-facing and the strap that goes over the top of the seat for forward-facing. There you go, four parts in all.

The cup holders are built-in, so I don’t have to worry about them falling out. Kids make messes in the car, but you don’t have to worry about them with the machine-washable seat pad. I don’t like just one thing because nothing holds the top of the cover in place, so it slides off the frame.

 Cosco Apt 50 Convertible Car Seat
cosco APT 50 Setting up

The car seat is a bit bigger, which is great for my big boy, who still has plenty of room. In addition, it is very light and portable. It’s easy to give your kid the best fit as they grow with six harness heights and three buckle locations. There is no doubt that it is a well-fitting harness and secure.


  • Easy to machine washable due to removable covers
  • It contains cup holders
  • Comfortable and secure
  • Lightweight
  • Easily install


  •  It will not hold a 50lb child
  • No padding for the little one

3. Best budget Graco Tranzitions 3 in 1

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This seat is fantastic to me. 

It’s definitely worth the money! It has all the features and comfort of far more expensive seats.

That’s an excellent car seat! It’s so comfortable and sturdy! It is a gamble because you won’t have a chance to see a display model, but this is a great car seat.

 There are a few similar-priced items where the seat part isn’t padded, and they are all the same price. Your child won’t want to sit in a car seat like that because their butts will get sore from the hard plastic under the seat.

 Graco Tranzitions 3 in 1
Setting up Graco transitions

 My son is very comfortable in this Graco car seat. Moreover, I like that this booster has a 5-point harness and not just a seatbelt because my son frequently unbuckles his belt. The adjustable headrest is another plus for me. Even though it weighs a lot, it is not flimsy. This seat is a thousand times better than my older son’s booster seat that I paid the same amount for them. Simple and easy to assemble, it’s sturdy, slim, and safe. Its height and straps are easily adjustable. Excellent value!


  • Worth the money
  • So sturdy and safe
  • Slim design
  • Easily adjustable
  • Lightweight
  • Easy to carry in and out


  • The LATCH system leaves the seat inoperable
  • Not adjust properly

4. Best Convertible Car Seats for Toyota Prius Graco Grows4Me 4 in 1 Car Seat,

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The Grows4Me 4-in-1 car seat can be used for 10 years. Your child will enjoy the comfort and convenience of the seats. There are three harness options: rear-facing, forward-facing, and high-back to backless. The weight range is 40-100 pounds to 110 pounds.

 Adjust the harness and headrest together with the Simply Safe Adjust Harness System without having to rethread. Reclining your child in ten different positions is possible with the adjustable headrest. You will only ever need one car seat. We are impressed with the quality of these seats.

 Best Convertible Car Seats for Toyota Prius  Graco Grows4Me 4 in 1 Car Seat,
Graco grows 4me unboxing

 The safety and comfort of my children are my top priorities. This is an excellent seat. It could have been improved with a few bells and whistles, but they wouldn’t have made much of a difference.


  • Safe and affordable car seats
  • Easy for children to loosen
  • Padding is excellent
  • Easy to adjust
  • Easy to carry


  • Unable to release the anchor latch

5. All-in-one Safety 1ˢᵗ Grow and Go

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The seat is excellent with its amazing features! He was previously in an essential fit 30. We just switched him to this seat. There is a noticeable difference in his comfort level, and he seems to be able to look around much better – which makes him a lot happier. It is made of magnificent material, almost like neoprene, that feels very smooth and comfortable.

 All-in-one Safety 1ˢᵗ Grow and Go
The lower side of the grow and go car seat

 Considering our hot weather in south Georgia, I think it will stay calm and be easy to clean. And I like the straps-they make getting in and out easier. The headrest/straps are adjustable as a single piece, and I like that they are. There should be no rethreading unless this is used for a tiny baby. I was most concerned with its size and the ease of its installation in our vehicles. The back seat is a little smaller than the entire crew cab, and this seat fits just fine. Because it reclines all the way, there is no problem doing behind the seats. The price is so reasonable, and the quality is fantastic.


  •  If you want a high back booster, you can get one
  •  Less than $200
  •  Washable by machine
  •  Straps with easy tie backs 
  •  Cup holders for when she gets older
  •  The neutral colour is nice


  • The Latch system is very loose
  • Installation is difficult

what’s Best Convertible Car Seats for Toyota Prius: Buying guide

Installation features for Toyota Prius

Installing your car seat faster and more accessible can be made easier when you have a car seat with enhanced installation features. The compatibility of LATCH (lower anchors and tethers for children) tells you whether a car seat will be easier to install. To ensure that car seats are correctly installed without using a seatbelt, the LATCH system was introduced in 2002. Different car seat brands have developed modifications to the LATCH system that are tailored to their particular models. Alterations like these can improve an already easy-to-use system, making the process of installing a car seat even more accessible.

The presence of built-in lock-offs is another sign that the car seat will be easy to install. Their purpose is to keep the seatbelt in place during installation. The seatbelt webbing can loosen and retract if they are not there, and your child is at risk of moving out of their car seat.

 Considering this, you may wonder why all car seats lack lock-offs because some car seats require the use of locking clips that work almost the same way but which are more difficult for parents to use. By having lock-offs built-in, we can eliminate this hassle and can use the car seat more easily.

Ease of use

Among the most significant factors considered when rating a car seat is its ease of use. You will have a less enjoyable experience with the car seat if its features are difficult to use and could compromise its safety. its safety.

 Choose a safe convertible car seat that makes it easy to get your child in and out.

Make sure that your child can easily buckle in the seat. Harness holders may hold the harness straps out of the way during a car trip so they aren’t in the way, or a 3 step harness system with quick fastening may be available.

It would also help to read what others have to say about how easy it is to use the car seat you are looking at. Several car seat brands claim that they have a redesigned harness system that makes buckling up your child faster, but actually, it just makes it more complicated, so be aware of that.

Side impact protection

The presence of side impact protection shows that a manufacturer has taken extra precautions to ensure the safety of their car seats. Based on my research and reviews of over a hundred different car seats, those without side impact protection never ranked highly.

With side impact protection, your child’s head and neck are supported and protected. It generally consists of an adjustable headrest, side wings, or some energy-absorbing foam; the type of foam varies by brand. The side impact protection on a car seat has likely been tested to ensure it meets or exceeds federal safety standards if it has side impact protection.

These additional crash test results can give parents comfort and assurance that their children are protected from harm. It is strongly recommended that if a car seat does not have side impact protection, even a basic form of it, you should look for one that does.

Comfort features

The comfort features of a car seat refer to the type of padding it has and the type of material it is made from. You can bet your child won’t enjoy riding in their car if it isn’t adequately padded. Usually, car seats come with seat pads made of memory, EPS, or EPP foam.

An infant insert is typically included with a safe convertible car seat for newborns and infants as well. In addition to providing comfort, t can also use these inserts to promote proper alignment. You can use infant inserts if you have a smaller baby so that your baby won’t be tossed around too much while you are driving.

In this case, if the car seat you’re interested in does not have an infant insert, you can still choose it. On the manufacturer’s website, the infant insert is probably sold as an accessory.

Frequently Asked Questions

Can a car seat fit in a Prius?

Which Car Seats Will Fit in a Toyota Prius?
Toyota Prius 2016-2018
The Prius was redesigned in 2016, and sadly, two side-by-side or three in the back weren’t an option. The center is now useless for car seats, booster seats, and adults.

Can you fit two car seats in a Toyota Prius?

With the introduction of the Toyota Prius all-wheel-drive, the hybrid vehicle will become more versatile on the road. There is ample space for two car seats in the hybrid hatchback, and the Latch connection is easy to use.

Are Toyota Prius safe for babies?

Children’s safety needs also need to be addressed. You can ensure that a child seat in a Prius is securely fastened in place with LATCH (Lower Anchors and Tethers for Children).

Will a Bob double stroller fit in a Toyota Prius?

Despite its compact size, it fits into the back of our Prius. It’s perfect for hiking on grass and trails. You can keep a diaper bag in it and other necessities there as well.

Does Prius Plus have Isofix?

Even grumpy kids will like the spacious Prius+. Each rear seat is individually adjustable. The outer seats include Isofix mounts for child seats and a tilt and slide mechanism for access to the third row, which slides out of the floor when needed.


We have explained in detail in this article what is the Best Convertible Car Seats for Toyota Prius. I realize it is challenging to decide which car seat is the best, so we gave you a list of five top picks, but the Graco SlimFit 3 In 1 Car Seat is our top choice as it has many unique features and safety features that customers love. Ultimately, it’s up to you. With this guide, you will choose the best item for your car and get it installed quickly. Have fun.