2015 GMC Sierra C15 2WD vs 2015 GMC Sierra K15 4WD
| EPA figure | 2015 GMC Sierra C15 2WD | 2015 GMC Sierra K15 4WD |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 17 | 18 |
| City / highway MPG | 15 / 21 | 16 / 22 |
| Fuel a year | $3,950 | $3,700 |
| Tailpipe CO₂ (g/mi) | 517 | 490 |
| Engine | 6.2 L 8-cyl | 5.3 L 8-cyl |
| Transmission | Automatic 8-spd | Automatic 6-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.