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Hummer H3 Fuel Economy Data

4dr SUV 242-hp 3.7L I5 4-sp automatic AWD w/low range

flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
flat light none 0 20 0 80 65 16.700
flat light light 0 30 30 40 60 16.500
hills light none 0 100 0 0 N/A 17.253
hills light none 0 100 0 0 N/A 16.447
flat med none 10 30 30 30 70 15.800

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2008 Hummer H3 Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Hummer H3's real-world MPG based on how and where you drive a car.