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2015 Buick LaCrosse eAssist — 2.4L 4-cyl, S6 automatic, FWD
This 2015 Buick LaCrosse eAssist (2.4L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
28
MPG combined (24 city / 35 hwy)
$2,200
est. fuel cost / year (EPA, 15k mi)
314 g/mi
tailpipe CO₂
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.