FuelFacts

← all 2010 Hummer H3 4WD trims

2010 Hummer H3 4WD — 3.7L 5-cyl, 5-spd manual, 4WD

This 2010 Hummer H3 4WD (3.7L 5-cyl, 5-spd manual, 4WD) takes regular (87-octane) gasoline. REGULAR

15
MPG combined (14 city / 18 hwy)
$3,800
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 2010 Hummer H3 4WD trims

TrimFuelMPGFuel/yr
3.7L 5-cyl, Automatic 4-spd, 4WDREGULAR16$3,562
5.3L 8-cyl, Automatic 4-spd, 4WDFLEX-FUEL14$4,450

EPA fuel type: Regular · class: Sport Utility Vehicle - 4WD · engine: 3.7L 5-cyl · transmission: 5-spd manual · drive: 4WD · MPG retrieved 2026-07-24.