← all 2008 Hummer H3 4WD trims
2008 Hummer H3 4WD — 3.7L 5-cyl, 5-spd manual, AWD
This 2008 Hummer H3 4WD (3.7L 5-cyl, 5-spd manual, AWD) takes regular (87-octane) gasoline. REGULAR
15
MPG combined (13 city / 18 hwy)
$4,150
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 2008 Hummer H3 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.7L 5-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $4,150 |
| 5.3L 8-cyl, Automatic 4-spd, AWD | REGULAR | 14 | $4,450 |
EPA fuel type: Regular · class: Sport Utility Vehicle - 4WD · retrieved 2026-06-14.