Engine; Duramax 6.6L Turbo-Diesel V8,Z71 Off-Road And Protection Package,Wheels; 20" (50.8 Cm) Machined Aluminum,Gooseneck/5Th Wheel Prep Package,Max Trailering Package,Convenience Package,Leather Package,Convenience Package Ii,Protection Package,Chevytec Spray-On Bedliner,Remote Start Package,Adaptive Cruise Control,Leather Seats,Navigation System,Heat Package,Tires; Lt275/65R20 All-Terrain; Blackwall,Tailgate; Gate Function Power Up/Down,Lpo; All-Weather Floor Liners,Fog Lamps; Front; Led,Defogger; Rear-Window Electric,Alternator; 220 Amps,Skid Plates,Wheelhouse Liners; Rear,Led Cargo Area Lighting,Engine Block Heater,Keyless Start,Air Conditioning; Dual-Zone Automatic Climate Control,Audio System; Chevrolet Infotainment 3 Premium System,Black,Emissions; Federal Requirements,Exhaust Brake,Gvwr; 11;750 Lbs. (5330 Kg),Hill Descent Control,Hitch Guidance With Hitch View,In-Vehicle Trailering App; System,Jet Black; Leather-Appointed Front Outboard Seat Trim,Lt Preferred Equipment Group,Rear Axle; 3.42 Ratio,Remote Vehicle Starter System,Seat Adjuster; Driver 10-Way Power,Seat; Up-Level Rear With Storage Package,Seating; Heated Driver And Front Outboard Passenger,Seats; Front 40/20/40 Split-Bench,Steering Column; Manual Tilt And Telescoping,Steering Wheel; Heated,Transmission; Allison 10-Speed Automatic,Universal Home Remote,Usb Ports; Rear; Dual; Charge-Only,Window; Power; Rear Sliding,Winter Grille Cover