2020 GMC Sierra 2WD vs 2020 GMC Sierra 4WD
| EPA figure | 2020 GMC Sierra 2WD | 2020 GMC Sierra 4WD |
|---|---|---|
| Model year | 2020 | 2020 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 21 | 20 |
| City / highway MPG | 20 / 23 | 19 / 22 |
| Fuel a year | $3,200 | $3,350 |
| Tailpipe CO₂ (g/mi) | 421 | 442 |
| Engine | 2.7 L 4-cyl turbo | 2.7 L 4-cyl turbo |
| Transmission | Automatic 8-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.