Milestone › fit in › Honda Odyssey

Will the Graco Milestone fit in a 2018–2024 Honda Odyssey?

Yes — the Graco Milestone fits a 2018–2024 Honda Odyssey.
The Milestone is about 19.5" wide; the Odyssey's usable rear bench is about 55". It fits one rear position comfortably. Three across is tight (58.5" needed vs 55").

19.5"Milestone width

55"Odyssey rear bench

Tightthree across

★★★★☆NHTSA Ease-of-Use

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What fits this Odyssey

One seat, rear position: Yes. The Milestone installs in an outboard rear position of a 2018–2024 Honda Odyssey with room to spare.
Three across: Tight — three need ~58.5" against only ~55". A narrower seat is the better bet.
Modes this seat covers: rear-facing → forward-facing → booster.
LATCH: lower anchors up to 50 lb; the Odyssey has 3 lower-anchor positions.

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 Milestone's width (Graco published spec) and the Odyssey's rear-bench width (Honda dimensions + owner measurements (approx); among the best for 3-across) are both approximate — confirm with a test-fit before buying.

Common questions

Will the Graco Milestone fit in a 2018–2024 Honda Odyssey?

Yes — the Graco Milestone (19.5" wide) fits a single rear seating position in a 2018–2024 Honda Odyssey. Three across is tight — its rear bench is about 55" and three of these would need 58.5".

Can you fit three Milestones across a Odyssey?

Probably not — three Milestones need about 58.5" but the Odyssey's usable bench is only about 55". Consider a narrower seat — see our narrowest-seats guide.

Sources: seat ratings & modes — NHTSA (pulled 2026-06-17); 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.