GMC 1979 Used Manual Gasoline mileage: 181 KM GMC 79 for sale. Engine, gearbox, and mechanics are in excellent condition. The engine is a 454 base. The body has scattered paint, I don't know anything about it. Air conditioning is working. The odometer is not working, it stopped at 181. The registration has expired since 1431 AH. The inspection is new. The highest offer is 45, and I have no set price. Please provide your phone number with your offer for credibility.