2012 GMC Sierra C15 2WD vs 2012 GMC Sierra K15 AWD
| EPA figure | 2012 GMC Sierra C15 2WD | 2012 GMC Sierra K15 AWD |
|---|---|---|
| Model year | 2012 | 2012 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 16 | 14 |
| City / highway MPG | 14 / 19 | 12 / 18 |
| Fuel a year | $4,200 | $4,800 |
| Tailpipe CO₂ (g/mi) | 555 | 635 |
| Engine | 4.8 L 8-cyl | 6.2 L 8-cyl |
| Transmission | Automatic 4-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.