Graco 4Ever DLX 4-in-1 Car Seat vs Chicco KeyFit 35 Infant Car Seat
Both made our Best Car Seats Under $300 shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the Graco 4Ever DLX 4-in-1 Car Seat if you want covers all four stages of use from newborn through booster in one purchase. Choose the Chicco KeyFit 35 Infant Car Seat if you'd rather have belt path routing on the shell itself means the seat installs without its base in a rental car. Overall we rank the Graco 4Ever DLX 4-in-1 Car Seat higher: #1 versus #2 in our Best Car Seats Under $300 list.
Winner overall: Graco 4Ever DLX 4-in-1 Car Seat
Graco 4Ever DLX 4-in-1 Car Seat vs Chicco KeyFit 35 Infant Car Seat compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 5 in Best Car Seats Under $300 | #2 of 5 in Best Car Seats Under $300 |
| Pick label | Best overall | |
| Brand | Graco | Chicco |
| Key features | 4-in-1: rear-facing, forward-facing, highback booster, backless booster; Rear-facing 4 to 40 pounds, forward-facing 22 to 65 pounds; 10-year usable lifespan | Fits infants 4 to 35 pounds; FAA-approved for aircraft use; Belt path routing built into the shell for base-free installs |
| Biggest strength | Covers all four stages of use from newborn through booster in one purchase | Belt path routing on the shell itself means the seat installs without its base in a rental car |
| Main trade-off | Bulkier footprint than the slimmer Britax Boulevard in tight back seats | Heavier carrier than the LiteMax 35, more tiring across a long terminal walk |
| Best for | convertible use | travel |
Which should you buy?

#1 pick · Best overall
Choose the Graco 4Ever DLX 4-in-1 Car Seat if…
- Covers all four stages of use from newborn through booster in one purchase
- Highest ratings volume of any convertible seat in this list, 21,000-plus ratings
- Rapid Remove cover makes washing the seat significantly less of a project than most competitors
Best for: convertible use
Prefer the alternative? See the Chicco KeyFit 35 Infant Car Seat section.

#2 pick
Choose the Chicco KeyFit 35 Infant Car Seat if…
- Belt path routing on the shell itself means the seat installs without its base in a rental car
- Widely reported as producing a correct install on the first try, useful when rushed at an airport counter
- If you already own this seat at home, bringing the same one keeps install muscle memory consistent
Best for: travel
Prefer the alternative? See the Graco 4Ever DLX 4-in-1 Car Seat section.
Pros and cons of each
Graco 4Ever DLX 4-in-1 Car Seat
Pros
- Covers all four stages of use from newborn through booster in one purchase
- Highest ratings volume of any convertible seat in this list, 21,000-plus ratings
- Rapid Remove cover makes washing the seat significantly less of a project than most competitors
Cons
- Bulkier footprint than the slimmer Britax Boulevard in tight back seats
- Booster stage is years away for newborn buyers, a feature not used immediately
- Higher weight capacity in booster mode adds bulk not needed in the early years
Chicco KeyFit 35 Infant Car Seat
Pros
- Belt path routing on the shell itself means the seat installs without its base in a rental car
- Widely reported as producing a correct install on the first try, useful when rushed at an airport counter
- If you already own this seat at home, bringing the same one keeps install muscle memory consistent
Cons
- Heavier carrier than the LiteMax 35, more tiring across a long terminal walk
- Base is not practical to bring along, so travel means base-free belt installs only
- Height limit around 30 inches limits how long it works for an older child
Graco 4Ever DLX 4-in-1 Car Seat vs Chicco KeyFit 35 Infant Car Seat: common questions
Which is better, the Graco 4Ever DLX 4-in-1 Car Seat or the Chicco KeyFit 35 Infant Car Seat?
Choose the Graco 4Ever DLX 4-in-1 Car Seat if you want covers all four stages of use from newborn through booster in one purchase. Choose the Chicco KeyFit 35 Infant Car Seat if you'd rather have belt path routing on the shell itself means the seat installs without its base in a rental car. Overall we rank the Graco 4Ever DLX 4-in-1 Car Seat higher: #1 versus #2 in our Best Car Seats Under $300 list.
What is the difference between the Graco 4Ever DLX 4-in-1 Car Seat and the Chicco KeyFit 35 Infant Car Seat?
The Graco 4Ever DLX 4-in-1 Car Seat stands out because covers all four stages of use from newborn through booster in one purchase, while the Chicco KeyFit 35 Infant Car Seat stands out because belt path routing on the shell itself means the seat installs without its base in a rental car. The trade-offs differ too: the Graco 4Ever DLX 4-in-1 Car Seat's main caveat is that bulkier footprint than the slimmer Britax Boulevard in tight back seats, and the Chicco KeyFit 35 Infant Car Seat's is that heavier carrier than the LiteMax 35, more tiring across a long terminal walk.
Is the Graco 4Ever DLX 4-in-1 Car Seat worth it over the Chicco KeyFit 35 Infant Car Seat?
For most buyers, yes: it's our #1 pick. Consider the Chicco KeyFit 35 Infant Car Seat instead if bulkier footprint than the slimmer Britax Boulevard in tight back seats is a deal-breaker for you.
Who should buy the Chicco KeyFit 35 Infant Car Seat instead of the Graco 4Ever DLX 4-in-1 Car Seat?
The Chicco KeyFit 35 Infant Car Seat suits travel, while the Graco 4Ever DLX 4-in-1 Car Seat is best for convertible use.