GMC Pick up 1979 For sale GMC 79 Base 454 Equipped with a 6-liter engine and a 3-speed transmission The car is guaranteed chassis, transmission, and engine. The car is in excellent condition, restored from bumper to bumper, and a gem for the user. Don't forget to mention God, ماشاء الله تبارك الله (what God has willed, blessed be God).