GMC Sierra 2500HD 1978 Used Automatic Gasoline mileage: 300 KM or more Peace be upon you For sale, armored GMC model 78, automatic transmission, fully renovated (exterior, interior, and engines). The car has a 6-liter engine with the transmission and the complete wiring harness, and the owner has spent a lot on it. The original rear bumper is available. Offers less than 50,000 will not be considered. Serious buyers will be contacted, God willing. (Offers must be made publicly. May God bless everyone. Those who do not know the value of these cars are welcome to pass by. May God reward you well.)