2006 Used Automatic Gasoline mileage: 297 KM 4WD Used Hummer H3 2006 for sale Automatic transmission Gasoline Mileage: 300 4WD Used Hummer H3 2006 for sale Automatic transmission Gasoline Mileage: 291 Body, engine, and transmission are guaranteed, needs repair for 4WD and A/C. I accept suitable trades. Inspection and registration are new, ready for transfer.