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2015 Buick LaCrosse AWD — 3.6L 6-cyl, S6 automatic, AWD
This 2015 Buick LaCrosse AWD (3.6L 6-cyl, S6 automatic, AWD) is flex-fuel (gasoline or E85). FLEX-FUEL
20
MPG combined (17 city / 26 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
444 g/mi
tailpipe CO₂
EPA fuel type: Gasoline or E85 · class: Midsize Cars · retrieved 2026-06-14.