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Hummer H3 MPG

MPG Number of Vehicles
13 miles per gallon 1 vehicles
14 miles per gallon 2 vehicles
15 miles per gallon 8 vehicles
16 miles per gallon 7 vehicles
17 miles per gallon 12 vehicles
18 miles per gallon 5 vehicles
19 miles per gallon 3 vehicles
Model Year Body/Powertrain MPG  
2006 2006 4dr SUV 242-hp 3.7L I5 5-sp manual AWD w/low range 16.57
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With the 239-horsepower 3.7L I5 engine, 5-speed manual transmission, and all-wheel drive w/low range, the 2006 Hummer H3 has been averaging 16.57 MPG (miles per gallon).

The 2006 Hummer H3s in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 48.7 percent of the miles driven). The rest of the miles were in the city (31.1 percent), in heavy traffic (2.2 percent), and in the suburbs (0 percent).

In addition, the average 2006 Hummer H3 in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
2006 2006 4dr SUV 242-hp 3.7L I5 4-sp automatic AWD w/low range 16.39
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See TrueDelta's information for all SUVs and SUTs.
See TrueDelta's information for all Hummer models.

What Our Members Are Saying about the Real Gas Mileage of the 2006 Hummer H3

2006 Hummer H3 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
It could be better... Why no medium-duty diesel? see full Hummer H3 review
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
I knew what I was getting into when I bought it. But come on, 14.8mg on the freeway? I would have bought an H2 if I knew that was going to happen. You have to drive like a grandpa to achieve 17mpg. i.e. - under 65 on the freeway. see full Hummer H3 review
 

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.