| 1 | 0 | 3 | 4 | 3 | 4 |
Hummer H3 Fuel Economy Data
4dr SUV 242-hp 3.7L I5 5-sp manual 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 |
| hills | med | hvy | 11 | 11 | 22 | 56 | 70 | 18.000 |
| flat | light | none | 22 | 22 | 25 | 30 | 60 | 18.000 |
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.