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2026 GMC Sierra Mud Terrain Tires 4WD (Sport Mode) — 5.3L 8-cyl, Automatic 10-spd, 4WD
This 2026 GMC Sierra Mud Terrain Tires 4WD (Sport Mode) (5.3L 8-cyl, Automatic 10-spd, 4WD) takes regular (87-octane) gasoline. REGULAR
16
MPG combined (15 city / 18 hwy)
$3,900
est. fuel cost / year (EPA, 15k mi)
561 g/mi
tailpipe CO₂
EPA fuel type: Regular · class: Standard Pickup Trucks 4WD · retrieved 2026-06-14.