GMC ยท 2021

2021 GMC Sierra 4WD

Official EPA fuel economy and NHTSA recall record, best combined figure 24 MPG.

Fuel economy (EPA)

EngineTransmissionFuelCityHighwayCombinedCO2 g/mi
6.2L 8-cyl Automatic 10-spd Premium 16 20 17 510
5.3L 8-cyl Automatic 6-spd Regular 15 20 17 526
5.3L 8-cyl Automatic 6-spd Gasoline or E85 14 18 16 561
3.0L 6-cyl Automatic 10-spd Diesel 22 26 24 430
5.3L 8-cyl Automatic 10-spd Regular 16 22 19 479
5.3L 8-cyl Automatic 8-spd Regular 16 21 18 504
4.3L 6-cyl Automatic 6-spd Regular 15 20 17 530
2.7L 4-cyl Automatic 8-spd Regular 18 21 19 464
2.7L 4-cyl Automatic 8-spd Regular 18 20 19 475
5.3L 8-cyl Automatic 6-spd Regular 14 20 16 560
5.3L 8-cyl Automatic 8-spd Regular 14 20 16 561
6.2L 8-cyl Automatic 10-spd Premium 15 20 16 539

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.