Boulevard ClickTight › fit in › GMC Sierra 1500 Crew Cab

Will the Britax Boulevard ClickTight fit in a 2019–2024 GMC Sierra 1500 Crew Cab?

Yes — the Britax Boulevard ClickTight fits a 2019–2024 GMC Sierra 1500 Crew Cab.
The Boulevard ClickTight is about 18.5" wide; the Sierra 1500 Crew Cab'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"Boulevard ClickTight width

56"Sierra 1500 Crew Cab rear bench

Yesthree across

★★★★☆NHTSA Ease-of-Use

Check the Boulevard ClickTight on Amazon → All seats for a Sierra 1500 Crew Cab

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What fits this Sierra 1500 Crew Cab

One seat, rear position: Yes. The Boulevard ClickTight installs in an outboard rear position of a 2019–2024 GMC Sierra 1500 Crew Cab with room to spare.
Three across: Yes — three need ~55.5" against a ~56" bench. Test-fit; three-across is decided by half-inches.
Modes this seat covers: rear-facing → forward-facing.
LATCH: lower anchors up to 40 lb; the Sierra 1500 Crew Cab 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 Boulevard ClickTight's width (Britax published spec (~18.5 in)) and the Sierra 1500 Crew Cab'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 Boulevard ClickTight fit in a 2019–2024 GMC Sierra 1500 Crew Cab?

Yes — the Britax Boulevard ClickTight (18.5" wide) fits a single rear seating position in a 2019–2024 GMC Sierra 1500 Crew Cab. Three of them also fit across its roughly 56" rear bench.

Can you fit three Boulevard ClickTights across a Sierra 1500 Crew Cab?

Yes — three Boulevard ClickTights need about 55.5" and the Sierra 1500 Crew Cab'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.