2007 Hummer H3
The 2007 Hummer H3 is listed in 2 versions in the EPA fuel economy database, with a 3.7 L 5-cyl powertrain. Combined fuel economy is 15 MPG (best: 15.7 L/100 km).
Model year2007
Versions2
ClassSport Utility Vehicle - 4WD
Drive4-Wheel or All-Wheel Drive
Engines, transmissions & fuel economy
| Version | Powertrain | Transmission | Drive | Fuel | MPG city / hwy / comb | L/100 km (comb) | CO2 g/mi | Class |
|---|---|---|---|---|---|---|---|---|
| H3 4WD | 3.7 L 5-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Regular | 14 / 18 / 15 | 15.7 | 592 | Sport Utility Vehicle - 4WD |
| H3 4WD | 3.7 L 5-cyl | Manual 5-spd | 4-Wheel or All-Wheel Drive | Regular | 14 / 18 / 15 | 15.7 | 592 | Sport Utility Vehicle - 4WD |
Figures are EPA estimates for the U.S. market (U.S. gallons). Your mileage will vary. Transmissions: (S6) = 6-speed with manual select mode, (AV) = continuously variable, (AM) = automated manual.
Safety recalls
Check the NHTSA recall database for the 2007 Hummer H3.