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Hummer H3 Fuel Economy Data
4dr SUV 220-hp 3.5L 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 | hvy | 5 | 0 | 15 | 80 | 65 | 16.000 | |
| flat | light | light | 0 | 90 | 0 | 10 | 70 | 14.800 | |
| flat | light | light | 5 | 0 | 15 | 80 | 60 | 17.800 | |
| flat | light | hvy | 0 | 20 | 10 | 70 | 60 | 15.000 | |
| hills | light | hvy | 0 | 20 | 10 | 70 | 60 | 14.194 | |
| flat | light | none | 0 | 0 | 0 | 100 | 70 | 15.700 | |
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| flat | light | hvy | 47 | 2 | 47 | 5 | 75 | 14.000 | |
| flat | light | light | 0 | 0 | 100 | 0 | N/A | 16.000 | |
| flat | med | light | 5 | 10 | 20 | 65 | 75 | 17.000 | |
| flat | light | light | 5 | 10 | 10 | 75 | 60 | 18.000 | |
| hills | lead | light | 10 | 10 | 40 | 40 | 55 | 17.200 | |
| hills | med | light | 35 | 15 | 25 | 25 | 75 | 17.016 | |
| hills | med | none | 35 | 15 | 25 | 25 | 75 | 17.100 | |
| hills | light | none | 25 | 25 | 10 | 40 | 65 | 15.427 | |
| flat | light | light | 2 | 0 | 1 | 97 | 65 | 17.143 | |
| flat | light | light | 22 | 22 | 17 | 39 | 65 | 16.497 | |
| hills | med | hvy | 0 | 10 | 5 | 85 | 65 | 18.793 | |
| hills | med | none | 5 | 15 | 5 | 75 | 65 | 15.957 | |
| hills | med | light | 0 | 4 | 0 | 96 | 70 | 17.400 | |
| flat | med | light | 0 | 100 | 0 | 0 | N/A | 15.200 | |
| hills | med | none | 35 | 15 | 25 | 25 | 75 | 16.995 | |
| flat | med | light | 20 | 60 | 10 | 10 | 70 | 13.000 | |
| flat | med | hvy | 0 | 9 | 0 | 91 | 75 | 17.900 | |
| mtns | med | hvy | 0 | 4 | 0 | 96 | 75 | 17.100 | |
| hills | med | hvy | 0 | 10 | 5 | 85 | 65 | 18.478 | |
What Our Members Are Saying about the Real Gas Mileage of the 2006 Hummer H3
4-speed automatic AWD w/low range
4-speed automatic AWD w/low range
2006 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.