Fuel Economy
| Engines |
EPA Estimated Fuel Economy (city/hwy) |
Fuel Tank Capacity (gallons) |
| 2WD Models |
Vortec 5300 V8 FlexFuel with Active Fuel Management |
Gasoline: 15/21 E85: 11/16§§§ |
26 |
| 4WD Models |
Vortec 5300 V8 FlexFuel with Active Fuel Management |
Gasoline: 15/21 E85: 11/16§§§ |
26 |
**EPA est. MPG with optional 5.3L V8 engine (2WD) 14 city/20 hwy. Competitors exclude other GM vehicles.
†Based on EPA estimates.
§§§ When running on E85 fuel, the Vortec 5300 V8 FlexFuel capable engine gets an EPA estimated MPG 12 city, 16 highway on 2WD models and 11 city, 15 highway on 4x4 models.