2006 Hummer H3
2 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| H3 4WD | 14 | 18 | 16 | Regular Gasoline | 4-Wheel or All-Wheel Drive | 3.5L 5-cyl | Automatic 4-spd |
| H3 4WD | 14 | 18 | 16 | Regular Gasoline | 4-Wheel or All-Wheel Drive | 3.5L 5-cyl | Manual 5-spd |