2012 GMC Sierra 1500 SLT Z71 2012 GMC Sierra 1500 Crew Cab 4-Wheel Drive SLT Z71 in Onyx Black with black leather interior. Equipped with Bose audio, heated and ventilated front seats, rear parking sensors, back up camera and remote start. Tags4 Wheel DriveBack up CameraBose AudioHeated/Ventilated Seatsleather interiorRear Parking SensorsRemote Start Tell Others About This Delivery