2021 GMC Sierra 2WD vs 2021 GMC Sierra 2WD
| EPA figure | 2021 GMC Sierra 2WD | 2021 GMC Sierra 2WD |
|---|---|---|
| Model year | 2021 | 2021 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · Rear-Wheel Drive · Gas |
| Combined MPG | 17 | 17 |
| City / highway MPG | 16 / 21 | 15 / 22 |
| Fuel a year | $3,950 | $3,950 |
| Tailpipe CO₂ (g/mi) | 523 | 515 |
| Engine | 4.3 L 6-cyl | 5.3 L 8-cyl |
| Transmission | Automatic 6-spd | Automatic 8-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.