Duramax Plus Package,Sunroof; Power,Sun/Moonroof,Leather Seats,Navigation System,Lpo; Chrome Recovery Hooks,Engine Block Heater,Rear Axle; 3.73 Ratio,Bluetooth Connection,Lamps; Smoked Amber Roof Marker,Cooled Front Seat(S),Chrome Wheels,Audio System; Chevrolet Infotainment System With Navigation And 8" Diagonal Color Touch-Screen; AM/FM Stereo,Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel C...