GMC ยท 2026

2026 GMC Sierra Mud Terrain Tires 4WD

Official EPA fuel economy and NHTSA recall record, best combined figure 17 MPG.

Fuel economy (EPA)

EngineTransmissionFuelCityHighwayCombinedCO2 g/mi
2.7L 4-cyl Automatic 8-spd Regular 16 17 17 536
6.2L 8-cyl Automatic 10-spd Premium 14 17 15 593
5.3L 8-cyl Automatic 10-spd Regular 14 17 16 567

Safety recalls (NHTSA)

No NHTSA recall campaigns on record for this model year in our latest refresh.

Decode this car's VIN All GMC models

Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.