Evenflo · Harness-to-booster

Evenflo Maestro Sport

Based on 2 independent scored tests: Insurance Institute for Highway Safety (IIHS), NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings (2022). The test scores average 86. With only 2 tests, the ranking score is pulled down a little until more testers confirm it.

Tested for US & Canada

Shortlist score

Good

#45 of car seats for US & Canada

Medium 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.

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

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

BEST BET

Best Bet

Our scale90

weight 0.40

Tested model #34912258; seat type: Highback only; 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, 2022 · booster mode

4/5★

4 stars

Our scale80

weight 0.28

Labels: 3
Instructions: 5
Securing child: 2
Vehicle installation features: 5

NHTSA Ease of Use rating for Booster mode (Highback); seat type Combination; model #34912366; evaluated seat manufactured 2022-06-10; 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 July 7, 2025

View on csftl.org ↗

1 older or duplicate result not counted

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

NHTSA Car Seat Ease of Use Ratings, 2022 · forward-facing mode

2/5★

2 stars

Our scale40

not counted

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

Labels: 2
Instructions: 3
Securing child: 2
Vehicle installation features: 3

NHTSA Ease of Use rating for Forward-Facing mode (5-pt); seat type Combination; model #34912366; evaluated seat manufactured 2022-06-10; test_year = year of manufacture of the evaluated seat (NHTSA does not publish a rating date in the data)

View on api.nhtsa.gov ↗

Also recommended: Car Seats for the Littles: Recommended.

Top-ranked alternatives

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Britax Grow With You Clicktight Plus
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Graco Atlas 65
IIHS Best Bet NHTSA 4/5★
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Britax Grou With You Clicktight
NHTSA 5/5★
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Cosco Finale DX 2-in-1
NHTSA 4/5★

How we turn these into one number: methodology. Tested 2022–2025.