2024 GMC Sierra 4WD vs 2024 GMC Sierra 4WD AT4X
| EPA figure | 2024 GMC Sierra 4WD | 2024 GMC Sierra 4WD AT4X |
|---|---|---|
| Model year | 2024 | 2024 |
| Body · drive | Pickup · 4-Wheel Drive · Gas | Pickup · 4-Wheel Drive · Diesel |
| Combined MPG | 17 | 19 |
| City / highway MPG | 15 / 20 | 19 / 20 |
| Fuel a year | $3,950 | $5,050 |
| Tailpipe CO₂ (g/mi) | 511 | 524 |
| Engine | 5.3 L 8-cyl | 3.0 L 6-cyl turbo |
| 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.