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The Best Convertible Car Seat

Updated October 15, 2019

To help you find the perfect convertible car seat, we continuously put forth the effort to update and expand our list of recommendable convertible car seats. Our team collects, edits and publishes new information, in order to present it to you in an accurate, significant and neatly arranged way.

Our Picks

Runner-ups: 10 Best Convertible Car Seat Alternatives

Evenflo Evenflo Sonus Seat image

Evenflo Sonus Seat

  • Versatile: The Sonus Convertible Car Seat helps protect rear facing ...
  • Trusted: In addition to meeting or exceeding all applicable federal ...
  • All-season comfort: The Sonus features a revolutionary air flow vent...
Chicco Chicco NextFit Zip Seat image
Most Expensive

Chicco NextFit Zip Seat

  • Zip-off padding is soft and machine washable for comfort and conven...
  • Remarkably easy installation with a 9-position ReclineSure leveling s...
  • Superior DuoGuard protection with a deep rigid shell and eps energy...
COSCO Cosco Mighty Fit 65 DX Seat image

Cosco Mighty Fit 65 DX Seat

  • With two modes of use this extra-comfortable LATCH-equipped Cosco ca...
  • The five-point harness adjusts easily from the front of the seat a...
  • Built-in side-impact protection keeps your little one extra secure D...
GRACO Graco SlimFit 3 in 1 Seat image

Graco SlimFit 3 in 1 Seat

  • All in One seat grows with your child from 5 100 pound rear to ...
  • Simply Safe Adjust Harness System adjusts the height of your harnes...
  • Engineered & crash tested to meet or exceed US standard fmvss ...
GRACO Graco Tranzitions 3 in 1 Harness Booster Seat image

Graco Tranzitions 3 in 1 Harness Booster Seat

  • Three seats in one: 5 point harnessed car seat high back belt pos...
  • Converts from 5 point harnessed car seat (22 to 65 pounds) to hig...
  • Simply Safe Adjust Harness System adjusts the height of your harnes...
Safety 1st Safety 1st TrioFit 3-in-1 Seat image

Safety 1st TrioFit 3-in-1 Seat

  • The 3-in-1 convertible car seat with modes for multiple ages and s...
  • Side Impact Protection
  • Harness holders: with the harness held back the straps won't get s...
COSCO Cosco Inc Cosco Apt 50 Seat image
Lowest Price

Cosco Inc Cosco Apt 50 Seat

  • With two modes of use this latch equipped Cosco car seat accommoda...
  • The five point harness adjusts easily from the front of the seat ...
  • In both the rear facing and forward facing modes built in side im...
GRACO Graco Admiral 65 Seat image

Graco Admiral 65 Seat

  • Designed to help protect your rear-facing child from 5-40 lb and y...
  • Simply Safe Adjust Harness System adjusts the harness and headrest ...
  • Graco ProtectPlus Engineered: a combination of the most rigorous cra...
Safety 1st Safety 1st SportFit 65 Seat image

Safety 1st SportFit 65 Seat

  • 2 modes of use: Rear-facing 5-40 pounds and Forward-facing 22-65 po...
  • Compact design fits 3 across in the back seat
  • Smaller footprint when rear-facing leaves more space in the front seat
BRITAX Britax Allegiance 3 Stage Seat image

Britax Allegiance 3 Stage Seat

  • Easy installation: Push button latch connectors and built in lock o...
  • No rethreading ever: Quick adjust 10 position harness (8.5 to 17.5 ...
  • Easy clean up: Remove the car seat cover without removing the harness
* Last update of prices was on 2019-10-15 08:05:32 via PA API. Prices or conditions may have changed in the meantime.

Featured Categories

Car Seats (13)
Car Seats & Accessories (13)
Convertible (10)
3-in-1 (4)
3-in-1 (2)
Booster (1)

Buying Guide for Convertible Car Seats

When you begin your search for a good car seat, you will find that there are two types available: infant car seats and convertible car seats. We are going to talk about the differences in the two and then focus on exactly what you will need to know before purchasing a convertible car seat.

What is a Convertible Car Seat?

Infant car seats hold only newborns up until the child weighs 35 to 40 pounds. They only come in rear facing designs. On the other hand, a convertible car seat will convert from a rear facing seat to a forward facing seat for older children. Convertible car seats can be used for newborns as well as the older children weighing up to 40 to 80 pounds with a height of 40 to 57 inches depending on the make and model of the seat.
Convertible car seats can save you money by eliminating the need for a separate infant seat, but some parents prefer to start with an infant seat regardless. This is due to the ability of a larger car seat to overwhelm a tiny newborn. If you do wish to start out with a convertible, it is perfectly safe and legal, but you will want to invest in padding and newborn inserts to make the seat fit your infant comfortably.

Convertible car seats are heavier than infant seats. They are installed in the vehicle rather than clicked into a base the way newborn car seats are. This means that you won’t be able to take the convertible car seat in and out of the vehicle frequently, carry the child in them, or attach them to a stroller.

What to Look for in a Convertible Car Seat

Easy to Use

The National Highway Transportation Safety Administration (NHTSA) has a five star rating system for car seats. The more stars they give a convertible car seat, the easier it is to use. This rating system takes into consideration how simple it is to install the car seat as well as how easy it is to securely place the child in it. It also reflects upon the content and clarity of the instructions the manufacturer gives you.
Five Point Harness

These straps are crucial to the child’s safety. They are found on all newer models, and they include one strap for each shoulder, one for between the child’s legs, and one for each hip.
Side Impact Protection

Some convertible car seats include specially designed features that further protect the child in the case of a side impact. These features include energy absorbing foam that will better protect the head and chest.

Simple Adjustments

As your child grows, you will have to adjust the harness. The better car seats let you adjust the harness and straps’ height from the front of the device. Some even offer a single handed belt adjustment that includes quick release buckles.


All vehicles and convertible car seats have been compatible with the LATCH system since 2002. This system provides a way to attach all car seats to the vehicle’s frame rather than using the seat belts to hold it in place. Convertible car seats come equipped with the necessary lower anchor connectors and top tether straps. Manufacturers may suggest that you do not use the top tethers when the seat is in a rear-facing position. Check the manual for details. There will also be a label with a weight limit on the car seat. When the child reaches this weight, the seat needs to be installed with the seat belt instead.


Remember to keep baby’s comfort in mind when shopping for a convertible car seat. Look for one with plenty of padding and head support for a better ride.


Messes like to follow kids everywhere, and this includes the car. There are several convertible car seats that offer a detachable cover that you can machine wash for easy clean-up.

Safety Notes


Convertible car seats are installed in the back seat only. Babies and toddlers under the age of three should be facing the back of the vehicle. Experts recommend keeping a child in the rear facing position for as long as possible to ensure safety. Many of the new convertible car seats can remain in the rear facing position until the child reaches 40 pounds.

Used Convertible Car Seats

Experts do not recommend buying pre-owned car seats. They could have been in an accident, there can be missing parts, not meet current safety guidelines, or have been recalled. In addition, plastic does become brittle with age. Older seats may not hold up as well as newer models when in a crash. If you must use a pre-owned seat, check to be sure it has not been in an accident, is less than five years of age, and includes all parts and instructions.


If you are trying to stay under budget, the Evenflo Tribute LX Convertible Car Seat, Saturn is an excellent choice for under $50. It includes body cushions to keep babies comfortable and a removable head pillow for the older kids. This convertible car seat meets or exceeds all federal safety standards, and it has passed Evenflo’s own side impact testing. The five point harness ensures your child’s safety, and the attractive dark gray color allows it to fit in nicely with most vehicle interiors.

When money is not an issue, parents can purchase the Graco 4ever All-in-One Convertible Car Seat, Matrix for a price tag of around $300. This convertible car seat includes a very unique four in one design. You can get ten years of service from this one car seat. The rear facing position is for babies weighing 4 – 40 pounds while the front facing position handles toddlers weighing 20 – 65 pounds. The high back belt mode is ideal for older children between 30 and 100 pounds, and the backless mode can be used for those between 40 and 120 pounds. This stylish black and gray design has all the bells and whistles like two cup holders for added convenience.
Graco 4Ever DLX 4 in 1 Seat

Top Rated Convertible Car Seats

If you're looking into finding the best rated convertible car seat, you should probable check out the Graco 4Ever DLX 4 in 1 Seat. We looked at various sources of reviews and found this one to have the best mix between review count and average rating stars.

Cosco Inc Cosco Apt 50 Seat

Lowest Price

Often, going for the best price is a simple but good option. With a price of $59.99 (last checked on October 15, 2019), we do not list any other convertible car seat cheaper than the Cosco Inc Cosco Apt 50 Seat. Just remember that it's not always the best option to go for the cheapest one.

The Convertible Car Seat with the Most Reviews

With at least 2781 reviews and counting, the Graco 4Ever DLX 4 in 1 Seat might be another option to consider. This large amount of reviews signalizes that many people are using it, with most of them beeing satisfied.

Chicco NextFit Zip Seat

High Class

It's quite rare that the saying "You get what you pay for" turns out incorrect. If you have the money on the sideline, feel free to choose the most expensive item from our list: The Chicco NextFit Zip Seat currently sells for $299.99.

Most Clicked Convertible Car Seat

If you trust us and our users, feel free to check out the Graco 4Ever DLX 4 in 1 Seat. Our statistics say that it is the most favorite Convertible Car Seat from the list above.

Evenflo Sonus Seat


If you're still undecided, I would recommend that you go with the masses and choose the top selling convertible car seat: The Evenflo Sonus Seat for currently View on Amazon (last checked on October 15, 2019).

That's it for now, please remember that this list is updated on a regular basis.

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Further Reading on Convertible Car Seats

New: our editorial list of additional articles. We decided to gather informartion all around the internet and present you a list of helpful, external links to interesting reads about Convertible Car Seat reviews, pros & cons and similar products.
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Do Your Own Research

Do you want to know more about convertible car seats? Check out the links below to gain knowledge about the whole topic of convertible car seat products.

7 Claims, 5 Drawing Figures PAIENIED AUG] 3 m4 SHEET 1 [IF 2 SHEET 2 OF 2 PMENTEU AUG 1 1 74 ADAPTER FOR CONVERTIBLE CAR SEAT AND STROLLER BACKGROUND With the increase of the ownership of automobiles and the resulting increase in two car families, a …

A children's car seat which is adapted to convert into a stroller apparatus with minimum of effort and adjustment required by the user. The apparatus includes an adjustable handle means and wheel assemblies which are pivotally mounted between a raised position …

A convertible car seat apparatus is set forth wherein an" L" shaped car seat is provided with a pivotally mounted" U" shaped frame mounted to the sides of the car seat wherein the frame, when positioned in a first downward position, retracts the associated wheels of the …

Convertible Car Seat Related Video: Best Convertible Car Seat 2018 - TOP 13 Convertible Car S...

The reason why you need a good convertible car seat is because it's very easy to adjust - CHECK THE BEST MODELS IN 2018 HERE: ...

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