We hope to find the most suitable Convertible Baby Car Seat for people in the shortest time possible. In addition to the comparison of specifications, we read the reviews of each product and list the customer’s experience as a reference for purchasing.


Graco SlimFit 3 in 1 Car Seat

Graco 4Ever DLX 4 in 1 Car Seat

Graco Extend2Fit Convertible Car Seat

Doona Infant Car Seat & Latch Base - Car Seat to Stroller in Seconds

Customer Rating

Brand Name










from rear-facing
to forward-facing
to highback booster
to backless belt

5-40 pounds
22-65 pounds
40-100 pounds

4-40 pounds
22-65 pounds
40-100 pounds
40-120 pounds

4-50 pounds
22-65 pounds

Suitable for babies between 4 lbs. to 35 lbs. and max. 32 inches in height. ( rear-facing only)

Item Dimensions

21.5 x 19.9 x 25.5 inches

20 x 21.5 x 24 inches

22.1 x 19.2 x 25.2 inches

 Folded - 23.6 x 17.3 x 26 inches,
Unfolded - 39 x 17.3 x 32.2 inches


1. Long-lasting from birth to 12 years old
2. Extremely comfortable
3. Sturdy and secure
4. Durable materials
5. Readily adjustable

1. Easy installation and converting between modes
2. Wide weight range
3. Allows extended rear-facing
4. The fabric removal is super-fast
5. No more rethreading the straps ever

1. Allows rear extension up to 50 lbs
2. Adjustable leg extension provides 5 inches of extra legroom
3. Buckle pockets to avoid buckles when getting kids in and out
4. Easy LATCH install with push-on connectors
5. Two removable integrated cup holders

1. Two in one—can use car seat and stroller functions
2. Easy to convert between car seat and stroller
3. Just pop the wheels and seconds and boom, don’t have to carry it out of the car.


1. Tall and heavy
2. Does not have Isofix
3. Narrow base (Space Saver)

1. Headrest rattles without safety issue
2. A little bulky in rear mode
3. Fabric not very breathable

1. It's difficult to remove and replace the cover for cleaning
2. Rear-facing seat belts may be not easy to operate
3. Some users claim Harness may be difficult to tighten

1. Obviously, the higher price is a consideration.
2. No option for storage
3. Low handlebar

More Information