Hummer Fuel Economy Catalog
Explore every official DOE/EPA-backed trim for Hummer, compare city, highway, and combined MPG, then jump into the quick fuel-cost calculator on any model page.
2 models19 trimsSource: FuelEconomy.gov data
2006–2010
H3 4WD
City
14
Highway
18
Combined
16
13 official trims available for this model.
2009–2010
H3T 4WD
City
14
Highway
18
Combined
16
6 official trims available for this model.