The GMC Sierra LTD C15 2WD is a full-size pickup truck model released by GMC in the late 1970s / early 1980s. It was the top-of-the-line model of the C/K series. The C15 2WD version had a 120.5" wheelbase and a 6.5" suspension. It was powered by the 3.8L Turbo-Thrift V6 engine, which gave it a power output of 115 horsepower and 210 lb.ft. of torque. The interior was luxurious, featuring power windows, power door locks, power seats, and power steering. It also came with a lengthy list of standard features, such as a 2-speaker AM/FM stereo, cruise control, intermittent wipers, and frontal energy absorbing bumpers.