2026 Chevrolet Silverado 2WD vs 2026 GMC Sierra 4WD with Sport Mode
| EPA figure | 2026 Chevrolet Silverado 2WD | 2026 GMC Sierra 4WD with Sport Mode |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 17 | 17 |
| City / highway MPG | 16 / 20 | 15 / 19 |
| Fuel a year | $3,950 | $3,950 |
| Tailpipe CO₂ (g/mi) | 513 | 522 |
| Engine | 5.3 L 8-cyl | 5.3 L 8-cyl |
| Transmission | Automatic 10-spd | Automatic 10-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.