2026 GMC Canyon AT4X 4WD vs 2026 GMC Sierra Mud Terrain Tires 4WD FFV
| EPA figure | 2026 GMC Canyon AT4X 4WD | 2026 GMC Sierra Mud Terrain Tires 4WD FFV |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | Pickup · 4-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Gas |
| Combined MPG | 17 | 17 |
| City / highway MPG | 17 / 17 | 15 / 19 |
| Fuel a year | $3,950 | $3,950 |
| Tailpipe CO₂ (g/mi) | 527 | 524 |
| Engine | 2.7 L 4-cyl turbo | 5.3 L 8-cyl |
| Transmission | Automatic 8-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.