GMC Sierra 2500HD 2006 Used Automatic mileage: 300 KM or more May God bless your time with all goodness. I am offering you a GMC Sierra HD 2006. The car is clean, the engine is original, and the transmission has been changed. The body is original according to the first owner. Mileage is 310,000 miles. Without 4WD. Automatic transmission. Cash sale only. May God bless our Prophet Muhammad.