What is the MPG of the 2010 Hummer H3? The 2010 Hummer H3 offers up to 14 MPG in city driving and 18 MPG on the highway for a combined rating of 15 MPG. These figures are based on EPA mileage ratings ...
Which Hummer vehicle has the best MPG? The Hummer H3T with traditional internal combustion engine offers up to 14 MPG city and 18 MPG highway for a combined rating of 16 MPG. These figures are based ...
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