DESCRIPTION 2012 GMC 3500HD Pickup (JN2942, Unit 615), 4x4, Vortec 6.0L gas engine, automatic transmission, air conditioning, heat, Am/Fm radio, cruise control, power windows & locks, aluminum tool box, running boards, rear hitch, LT275/70R18 tires, shows 153,844 miles. Serial Number: 1GT322CG5CZ257442 Notes: