The GMC Sierra Classic 1500 is a full-size pickup truck that was produced by General Motors from 1988 to 1999. It is a rear-wheel drive (RWD) or 4-wheel drive (4WD) truck powered by a wide variety of gasoline-fueled V6 and V8 engines. The Sierra Classic was offered in a regular cab, extended cab, and crew cab body styles, with six and eight foot cargo beds. The Sierra Classic was highly customizable with a range of trim levels, engines, drivetrains, and options, making it a popular choice for commercial and recreational use alike.