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Find Your 2008 Hummer's Gas Mileage Below

Engine

Fuel Type

Transmission

Miles Per Gallon

City

Hwy

H3 4WD
5 cyl., 3.7 LRegular Auto(L4) 14 18
5 cyl., 3.7 LRegular Manual(M5) 13 18
8 cyl., 5.3 LRegular Auto(L4) 13 16