GMC ยท 2026
2026 GMC Sierra 4WD
Official EPA fuel economy and NHTSA recall record, best combined figure 18 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 20 | 18 | 491 |
| 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 16 | 539 |
| 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 | 550 |
Safety recalls (NHTSA)
No NHTSA recall campaigns on record for this model year in our latest refresh.
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.