MPGCheck

GMC Sierra Mud Terrain Tires 4WD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
2026
23 MPG combined
Latest Model
2026
23 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
2026Diesel Diesel212423$3,700Details →
2025Diesel Diesel212423$3,700Details →
2024Diesel Diesel212322$3,850Details →
2023Diesel Diesel212322$3,850Details →
2022Diesel Diesel202321$4,050Details →