2026 Chevrolet Silverado (with Sport Mode) 2WD vs 2026 GMC Sierra 4WD
| EPA figure | 2026 Chevrolet Silverado (with Sport Mode) 2WD | 2026 GMC Sierra 4WD |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | Pickup · Rear-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 18 | 18 |
| City / highway MPG | 16 / 21 | 17 / 20 |
| Fuel a year | $3,700 | $3,700 |
| Tailpipe CO₂ (g/mi) | 490 | 491 |
| Engine | 5.3 L 8-cyl | 2.7 L 4-cyl turbo |
| Transmission | Automatic 10-spd | Automatic 8-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.