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2021 GMC Terrain FWD — 1.5L 4-cyl, Automatic 9-spd, FWD
This 2021 GMC Terrain FWD (1.5L 4-cyl, Automatic 9-spd, FWD) takes regular (87-octane) gasoline. REGULAR
27
MPG combined (25 city / 30 hwy)
$2,300
est. fuel cost / year (EPA, 15k mi)
329 g/mi
tailpipe CO₂
EPA fuel type: Regular · class: Small Sport Utility Vehicle 2WD · retrieved 2026-06-14.