2010 Hummer H3 Specs
EPA fuel economy, engine specs, and towing capacity
At a Glance
16
MPG Combined
14 city / 0 hwy
14 city / 0 hwy
3.7L 5-cyl
Engine
4WD
Drivetrain
$3,281
Est. annual fuel
15k mi @ $3.50/gal
15k mi @ $3.50/gal
All Trim Levels — Fuel Economy
| Trim / Transmission | Fuel Type | Engine | Drive | City | Hwy | Combined | CO₂ (g/mi) |
|---|---|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 3.7L 5-cyl | 4WD | 14 | 0 | 16 | -1 |
| Automatic 4-spd | Gasoline or E85 | 5.3L V8 | 4WD | 13 | 0 | 14 | -1 |
| Manual 5-spd | Regular | 3.7L 5-cyl | 4WD | 14 | 0 | 15 | -1 |
Source: EPA FuelEconomy.gov. MPG figures are for reference; actual mileage varies.