Graco · All-in-one

Graco 4Ever DLX

Based on 3 independent scored tests: BabyGearLab (2024), Insurance Institute for Highway Safety (IIHS), NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings (2021). The test scores average 85. With only 3 tests, the ranking score is pulled down a little until more testers confirm it.

Tested for US & Canada

Shortlist score

Good

#35 of car seats for US & Canada

High confidence

Where to buy

This seat is certified for US & Canada. Car seats may only be used in the market they're approved for, so we don't link to shops in Czechia.

Test results

Each score as the tester published it, converted to our 0–100 scale. Weight is how much the result counts towards the score.

BabyGearLab US · Editorial review

BabyGearLab best convertible car seat review, 2024

75%

Best Convertible for Most Families

Our scale75

weight 0.60

Crash test: 8.7
Ease of installation latch: 7.9
Ease of installation belt: 7.1
Ease of use: 6.4
Comfort quality: 4.3
Weight size: 7.7

Listed at $330 metric weights: Crash Test (35%); Ease of Installation - LATCH (20%); Ease of Installation - Belt (15%); Ease of Use (15%); Comfort/Quality (10%); Weight/ Size (5%); overall listed on https://www.babygearlab.com/topics/vehicle-safety/best-convertible-car-seat/ratings; review last modified 2024-01-05

View on babygearlab.com ↗

Insurance Institute for Highway Safety (IIHS) US · Lab test

IIHS booster belt-fit ratings (final ratings list, program 2008-2024) · backless mode

BEST BET

Best Bet

Our scale90

weight 0.40

Tested model #2078773; results also apply to 2072089, 2080521, 2075107, 2074607, 2074644, 2074951, 2075106, 2074900, 2099562; seat type: Dual mode, Backless; rating year not shown on the IIHS ratings list; rating covers booster-mode belt fit only (IIHS does not rate harness modes)

View on iihs.org ↗

NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings US · Government / institute

NHTSA Car Seat Ease of Use Ratings, 2021 · forward-facing mode

5/5★

5 stars

Our scale100

weight 0.24

Labels: 5
Instructions: 5
Securing child: 5
Vehicle installation features: 4

NHTSA Ease of Use rating for Forward-Facing mode (5-pt); seat type All-in-One; model #2074644; evaluated seat manufactured 2021-02-04; test_year = year of manufacture of the evaluated seat (NHTSA does not publish a rating date in the data)

View on api.nhtsa.gov ↗

Car Seats for the Littles US · Editorial review

Car Seats for the Littles: Recommended Seats USA, 2025

Recommended

Pick or pass/fail. Shown, not scored.

CSFTL recommended-seats list (CPST editorial picks); section last modified August 10, 2025

View on csftl.org ↗

3 older or duplicate results not counted

NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings US · Government / institute

NHTSA Car Seat Ease of Use Ratings, 2021 · rear-facing mode

4/5★

4 stars

Our scale80

not counted

Not counted: Another configuration scored higher in the same test.

Labels: 5
Instructions: 5
Securing child: 4
Vehicle installation features: 3

NHTSA Ease of Use rating for Rear-Facing mode (5-pt); seat type All-in-One; model #2074644; evaluated seat manufactured 2021-02-04; test_year = year of manufacture of the evaluated seat (NHTSA does not publish a rating date in the data)

View on api.nhtsa.gov ↗

NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings US · Government / institute

NHTSA Car Seat Ease of Use Ratings, 2021 · booster mode

4/5★

4 stars

Our scale80

not counted

Not counted: Another configuration scored higher in the same test.

Labels: 4
Instructions: 5
Securing child: 3
Vehicle installation features: 4

NHTSA Ease of Use rating for Booster mode (Highback/No Back); seat type All-in-One; model #2074644; evaluated seat manufactured 2021-02-04; test_year = year of manufacture of the evaluated seat (NHTSA does not publish a rating date in the data)

View on api.nhtsa.gov ↗

Insurance Institute for Highway Safety (IIHS) US · Lab test

IIHS booster belt-fit ratings (final ratings list, program 2008-2024) · highback mode

BEST BET

Best Bet

Our scale90

not counted

Not counted: Another configuration scored higher in the same test.

Tested model #2078773; results also apply to 2072089, 2080521, 2075107, 2074607, 2074644, 2074951, 2075106, 2074900, 2099562; seat type: Dual mode, Highback; rating year not shown on the IIHS ratings list; rating covers booster-mode belt fit only (IIHS does not rate harness modes)

View on iihs.org ↗

Also recommended: Car Seats for the Littles: Recommended.

Top-ranked alternatives

80

Evenflo All4One
IIHS BEST BET NHTSA 4/5★
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Graco Triride
IIHS BEST BET NHTSA 4/5★
77

Diono Radian 3QX
IIHS BEST BET NHTSA 3/5★
77

Diono Radian 3QXT
IIHS BEST BET NHTSA 3/5★
75

Safety 1st Continuum
IIHS Best Bet NHTSA 4/5★

How we turn these into one number: methodology. Tested 2021–2025.