H3 4WD
4-Wheel or All-Wheel Drive · Automatic 4-spd · Sport Utility Vehicle - 4WD
- MPG combined
- 15
- City / highway
- 14 / 18
- Engine
- 3.7L 5-cyl
- Fuel
- Regular
- Annual fuel cost
- $4,450
- Tailpipe CO₂
- 592 g/mi

The Hummer H3 has been sold in the US from 2006 to 2010, in 5 model years covered here. The 2010 line-up has 3 trims with 14–16 MPG combined.
4-Wheel or All-Wheel Drive · Automatic 4-spd · Sport Utility Vehicle - 4WD
4-Wheel or All-Wheel Drive · Manual 5-spd · Sport Utility Vehicle - 4WD
4-Wheel or All-Wheel Drive · Automatic 4-spd · Sport Utility Vehicle - 4WD
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.