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Poplar › fit in › Toyota Tundra CrewMax

Will the Britax Poplar fit in a 2014–2024 Toyota Tundra CrewMax?

Yes — the Britax Poplar fits a 2014–2024 Toyota Tundra CrewMax.
The Poplar is about 18.5" wide; the Tundra CrewMax's usable rear bench is about 56". It fits one rear position comfortably. Three even fit across the back (55.5" needed vs 56").
18.5"Poplar width
56"Tundra CrewMax rear bench
Yesthree across
★★★★☆NHTSA Ease-of-Use
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What fits this Tundra CrewMax

ℹ️ Informational only — built from NHTSA public car-seat ratings and published seat/vehicle dimensions. This is not a safety certification and not a substitute for the seat and vehicle manuals. Always confirm the fit and install yourself before every trip. The Poplar's width (Britax published spec) and the Tundra CrewMax's rear-bench width (Typical for pickup — crew cab — approximate, verify install in your vehicle) are both approximate — confirm with a test-fit before buying.

Common questions

Will the Britax Poplar fit in a 2014–2024 Toyota Tundra CrewMax?

Yes — the Britax Poplar (18.5" wide) fits a single rear seating position in a 2014–2024 Toyota Tundra CrewMax. Three of them also fit across its roughly 56" rear bench.

Can you fit three Poplars across a Tundra CrewMax?

Yes — three Poplars need about 55.5" and the Tundra CrewMax's usable bench is about 56". It's close, so test-fit before buying.

Sources: seat ratings & modes — NHTSA (pulled 2026-06-18); dimensions — manufacturer specs and owner measurements. Informational only — built from NHTSA public car-seat ratings and published seat/vehicle dimensions. This is not a safety certification and not a substitute for the seat and vehicle manuals. Always confirm the fit and install yourself before every trip.