Alternator, 220 Amps, At4 Preferred Equipment Group, Audio System, Premium Gmc Infotainment System With 8″ Diagonal Color Touch-Screen, Bed View Camera, Emissions, California State Requirements, Engine Block Heater, Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible, Exhaust Brake, Gooseneck / 5Th Wheel Package, Gooseneck / 5Th Wheel Prep Package — Hitch Platform To Accept Gooseneck Or 5Th Wheel Hitch., Gvwr, 11,350 Lbs. (5148 Kg), Jet Black With Kalahari Accents, Perforated Front Leather Seat Trim, License Plate Kit, Front, Lpo, Sport Step, Black, Pickup Bed, Rear Axle, 3.42 Ratio, Seats, Front Bucket, Summit White, Tires, Lt275/65R20 All-Terrain, Blackwall, Trailer Tire Pressure Monitor Sensors, Transmission, Allison 10-Speed Automatic, Wheels, 20″ (50.8 Cm) Machined Aluminum, Winter Grille Cover.