FuelFacts

← all 2025 GMC Sierra 4WD trims

2025 GMC Sierra 4WD — 5.3L 8-cyl, Automatic 10-spd, 4WD

This 2025 GMC Sierra 4WD (5.3L 8-cyl, Automatic 10-spd, 4WD) is flex-fuel (gasoline or E85). FLEX-FUEL

17
MPG combined (15 city / 19 hwy)
$3,650
est. fuel cost / year (EPA, 15k mi)
524 g/mi
tailpipe CO₂

Other 2025 GMC Sierra 4WD trims

TrimFuelMPGFuel/yr
2.7L 4-cyl, Automatic 8-spd, 4WDREGULAR18$3,167
2.7L 4-cyl, Automatic 8-spd, 4WDREGULAR17$3,353
5.3L 8-cyl, Automatic 10-spd, 4WDREGULAR17$3,353
5.3L 8-cyl, Automatic 10-spd, 4WDREGULAR17$3,353
5.3L 8-cyl, Automatic 10-spd, 4WDREGULAR16$3,562
3.0L 6-cyl, Automatic 10-spd, 4WDDIESEL24$2,988
6.2L 8-cyl, Automatic 10-spd, 4WDPREMIUM16$4,388

EPA fuel type: Gasoline or E85 · class: Standard Pickup Trucks 4WD · engine: 5.3L 8-cyl · transmission: Automatic 10-spd · drive: 4WD · MPG retrieved 2026-07-24.