2026 GMC Sierra 4WD with Sport Mode vs 2027 Ram 1500 HO 4WD
| EPA figure | 2026 GMC Sierra 4WD with Sport Mode | 2027 Ram 1500 HO 4WD |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | Pickup · 4-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 17 | 17 |
| City / highway MPG | 15 / 19 | 15 / 21 |
| Fuel a year | $3,950 | $4,850 |
| Tailpipe CO₂ (g/mi) | 522 | 521 |
| Engine | 5.3 L 8-cyl | 3.0 L 6-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.