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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GMC says its new, smaller Hummer X truck and SUV concepts are purely for show with no production intent... sure, Jan
General Motors officially opened its new advanced design studio in Pasadena, California today, and GMC used the occasion to debut two new concepts: the Hummer X, shown in both pickup and SUV forms.
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