FuelFacts

← all 2015 Buick LaCrosse trims

2015 Buick LaCrosse — 3.6L 6-cyl, S6 automatic, FWD

This 2015 Buick LaCrosse (3.6L 6-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR

21
MPG combined (18 city / 28 hwy)
$2,950
est. fuel cost / year (EPA, 15k mi)
419 g/mi
tailpipe CO₂

Other 2015 Buick LaCrosse trims

TrimFuelMPGFuel/yr
3.6L 6-cyl, S6 automatic, FWDFLEX-FUEL21$2,950

EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.