GMC ยท 2023

2023 GMC Sierra Mud Terrain Tires 4WD

Official EPA fuel economy and NHTSA recall record, best combined figure 22 MPG.

Fuel economy (EPA)

EngineTransmissionFuelCityHighwayCombinedCO2 g/mi
5.3L 8-cyl Automatic 10-spd Gasoline or E85 15 19 17 524
6.2L 8-cyl Automatic 10-spd Premium 14 17 15 585
5.3L 8-cyl Automatic 10-spd Regular 15 18 16 554
5.3L 8-cyl Automatic 10-spd Regular 15 19 16 555
2.7L 4-cyl Automatic 8-spd Regular 17 18 17 512
3.0L 6-cyl Automatic 10-spd Diesel 21 23 22 463

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.