Machine description: V8 5.7 L Gasoline Engine, Automatic Transmission, 235/85R16 Front Tires, 235/85R16 Rear Tires, Spring Suspension, 164 in Wheelbase, 8 ft Long x 1 ft High Steel Body, Receiver, WE-R-DIVERSE-BRIDGES ... more info about the 1990 GMC SIERRA C3500.