← all 2009 Hummer H3 4WD trims
2009 Hummer H3 4WD — 3.7L 5-cyl, Automatic 4-spd, AWD
This 2009 Hummer H3 4WD (3.7L 5-cyl, Automatic 4-spd, AWD) takes regular (87-octane) gasoline. REGULAR
16
MPG combined (14 city / 18 hwy)
$3,562
est. fuel cost / year (today’s prices, 15k mi)
—
tailpipe CO₂
At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.
Other 2009 Hummer H3 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.7L 5-cyl, 5-spd manual, AWD | REGULAR | 16 | $3,562 |
| 5.3L 8-cyl, Automatic 4-spd, AWD | REGULAR | 14 | $4,071 |
EPA fuel type: Regular · class: Sport Utility Vehicle - 4WD · engine: 3.7L 5-cyl · transmission: Automatic 4-spd · drive: AWD · MPG retrieved 2026-07-24.