1999 GMC Sierra 1500 2WD vs 1999 GMC Sierra 1500 4WD
| EPA figure | 1999 GMC Sierra 1500 2WD | 1999 GMC Sierra 1500 4WD |
|---|---|---|
| Model year | 1999 | 1999 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel or All-Wheel Drive · Gas |
| Combined MPG | 15 | 14 |
| City / highway MPG | 13 / 17 | 13 / 16 |
| Fuel a year | $4,450 | $4,800 |
| Tailpipe CO₂ (g/mi) | 592 | 635 |
| Engine | 5.0 L 8-cyl | 4.3 L 6-cyl |
| Transmission | Automatic 4-spd | Manual 5-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.