2021 GMC Sierra Cab Chassis 2WD vs 2021 GMC Terrain FWD
| EPA figure | 2021 GMC Sierra Cab Chassis 2WD | 2021 GMC Terrain FWD |
|---|---|---|
| Model year | 2021 | 2021 |
| Body · drive | Special purpose · Rear-Wheel Drive · Gas | SUV · Front-Wheel Drive · Gas |
| Combined MPG | 17 | 27 |
| City / highway MPG | 15 / 19 | 25 / 30 |
| Fuel a year | $3,950 | $2,500 |
| Tailpipe CO₂ (g/mi) | 523 | 329 |
| Engine | 4.3 L 6-cyl | 1.5 L 4-cyl turbo |
| Transmission | Automatic 6-spd | Automatic 9-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.