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2013 Buick Regal eAssist — 2.4L 4-cyl, S6 automatic, FWD
This 2013 Buick Regal eAssist (2.4L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
29
MPG combined (25 city / 36 hwy)
$2,150
est. fuel cost / year (EPA, 15k mi)
312 g/mi
tailpipe CO₂
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.