Duramax Plus Package******LTZ Plus Package*******Preferred Equipment Group 1LZ*******Snow Plow Prep Package Trailer Towing Pkg,4-Wheel Disc Brakes,Fog Lights,Rear Defrost,Trailer Hitch - Receiver,Wheels - Aluminum,AM/FM Radio,BOSE Audio System,CD Player,Premium Audio System,Air Conditioning,Cruise Control,Intermittent Wipers,Leather Seats,Leather Wrapped Steering,Power Driver Seat,Power Locks,Power Mirrors,Power Passenger Seat,Power Windows,Remote Keyless Entry,Tilt Steering Wheel,Bluetooth Connection,Heated Mirrors,Heated Seats,Heated Steering Wheel,Navigation System,OnStar,Roof Airbags,Satellite Radio,Airbag - Driver,Airbag - Passenger,Backup Camera,Four Wheel ABS,Rear Backup Sensors,Side Airbags,Traction Control,Running Boards,Tow Hooks,Floor Mats,Fold Down Rear Seat,Steer Wheel Audio Cntrls,Vanity Mirrors,Bedliner - Spray-In,Psngr Arbg On/Off Cntrl,Remote Start,Four Wheel Drive,V8 Cyl. Engine 6.6L 8 Cyl. Diesel