2007 Hummer Models
Sport Utility Vehicles 4WD
The title for most fuel efficient Hummer in the sport utility vehicles 4wd class in 2007 goes to the Hummer H3 4WD with a combined EPA fuel economy rating of 17 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Hummer H3 4WD
- 17 MPG (Automatic - 3.7L - 5 Cylinder)
