Alternator, 220 Amps, Audio System, Premium Gmc Infotainment System With Navigation And 8″ Diagonal Color Touch-Screen, Bed View Camera, Denali Preferred Equipment Group, Denali Ultimate Package, Emissions, Federal 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), Hd Surround Vision With Two Trailer View Camera Provisions, Jet Black, Forge Perforated Leather-Appointed Seat Trim, License Plate Kit, Front, Multicolor 15″ Diagonal Head-Up Display, Onyx Black, Pickup Bed, Rear Axle, 3.42 Ratio, Rear Camera Mirror, Inside Rearview Auto-Dimming With Full Camera Display, Seats, Front Bucket, Sunroof, Power, Technology Package, Transmission, Allison 10-Speed Automatic, Winter Grille Cover.