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 | med | hvy | 30 | 20 | 20 | 30 | 60 | 15.800 | |
flat | med | hvy | 30 | 20 | 20 | 30 | 60 | 15.400 | |
flat | med | none | 20 | 80 | 0 | 0 | N/A | 14.800 | |
flat | v.lt | none | 18 | 21 | 25 | 36 | 60 | 19.800 | |
hills | light | none | 5 | 20 | 50 | 25 | 60 | 15.000 | |
flat | light | light | 3 | 7 | 90 | 0 | N/A | 15.000 | |
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hills | light | light | 5 | 20 | 50 | 25 | 60 | 15.000 |
What Our Members Are Saying about the Real Gas Mileage of the 2007 Hummer H3
4-speed automatic AWD w/low range
4-speed automatic AWD w/low range
2007 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.