GMC Sierra C10 MPG by year
EPA combined, city, and highway gas mileage for every GMC Sierra C10 model year.
| Year | Combined | City | Highway |
|---|---|---|---|
| 2019 | 17–21 | 17 | 22 |
EPA combined, city, and highway gas mileage for every GMC Sierra C10 model year.
| Year | Combined | City | Highway |
|---|---|---|---|
| 2019 | 17–21 | 17 | 22 |