Sierra 2500HD Denali, Duramax 6.6L V8 Turbodiesel, 4WD, 10-Way Power Driver Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2-Speed Active Transfer Case, 220 Amps Alternator, 2nd Row Dual USB Charge-Only Ports, 6 Rectangular Chromed Tubular Assist Steps, ABS brakes, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Brake assist, Compass Located In Instrument Cluster, Deep-Tinted Glass, Denali Ultimate Package, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Exhaust Brake, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Chrome Recovery Hooks, Fully automatic headlights, Garage door transmitter, GMC Connected Access Capable, Gooseneck/5th Wheel Prep Package, HD Surround Vision w/2 Trailer View Camera Provisions, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Heavy-Duty 80 Amp Battery, Hill Descent Control, In-Vehicle Trailering System App, Inside Rearview Auto-Dimming Rear Camera Mirror, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15 Diagonal Head-Up Display, Navigation System, Off-Road Suspension, OnStar & GMC Connected Services Capable, Polished Exhaust Tip, Power Door Locks, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power Sunroof, Power Windows w/Driver Express Up/Down, Preferred Equipment Group 5SA, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Security system, Signature Denali Grille, Speed-sensing steering, Split folding rear seat, Spray-On Pickup Box Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Technology Package, Telescoping steering wheel, Tilt steering wheel, Ultrasonic Front & Rear P