KidShortlist
Britax · Convertible (0–4 y)

Britax Poplar Convertible Car Seat

No tester has given this product a score we can put on our scale.

Tested for US & Canada
–
Shortlist score
No scored test

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.

Wirecutter (The New York Times) US · Editorial review
Wirecutter: The Best Convertible and All-in-One Car Seats (updated Jan 30, 2026)
Runner-up
Pick or pass/fail. Shown, not scored.
read on archived copy (web.archive.org, 20260722) of https://www.nytimes.com/wirecutter/reviews/best-convertible-car-seats/ (live site blocks automated fetch)
View on web.archive.org ↗

Also recommended: Wirecutter (The New York Times): Runner-up.

Top-ranked alternatives

How we turn these into one number: methodology. Tested in 2026.

KidShortlist

We don't test products ourselves. Every score here comes from an independent tester and links back to it. We combine 4,061 results from 26 sources.

Read before buying

Several testers are paywalled, so we only include what they publish openly. Models change and get recalled. Check the tester's own page and the retailer listing before you buy.

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