← all 2018 Buick LaCrosse AWD trims
2018 Buick LaCrosse AWD — 3.6L 6-cyl, S9 automatic, AWD
This 2018 Buick LaCrosse AWD (3.6L 6-cyl, S9 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
23
MPG combined (20 city / 29 hwy)
$2,700
est. fuel cost / year (EPA, 15k mi)
386 g/mi
tailpipe CO₂
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.