What is the gas mileage for a hummer H3, 2007
Terrible i dont know the exact number anyone can use google. If you type that exact question in the search bar you surely find the answer.
Yup...That's an easy Google..hop to it, Khandi!
Around 16 MPG - http://www.fuelly.com/car/hummer/h3
I get 15-17 at best
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