Duramax 6.6L V8 Turbodiesel 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 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 4G LTE Wi-Fi Hotspot Capable, 6" Rectangular Chromed Tubular Assist Steps, Air Conditioning, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Automatic Emergency Braking, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Chrome Recovery Hooks, 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, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front fog lights, Fully automatic headlights, GMC Connected Access Capable, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Heated rear seats, Heated steering wheel, Hill Descent Control, 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, OnStar & GMC Connected Services Capable, Polished Exhaust Tip, Power Door Locks, 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, Premium audio system: Premium GMC Infotainment System, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille, Spray-On Pickup Box Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Technology Package, Turn signal indicator mirrors, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Wheels: 20" Multi-Dimensional Polished Aluminum, Wireless Charging, Wireless Phone Projection, X31 Off-Road Package, 10-Way Power Passenger Seat Adjuster w/Lumbar, 220 Amps Alternator, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, AM/FM radio: SiriusXM with 360L, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Compass, Console-Mounted Safe (LPO), Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Forge Perforated Leather-Appointed Front Seat Trim, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Garage door transmitter, Genuine wood console insert, Genuine wood door panel insert, HD Radio, Heated door mirrors, Heated front seats, Heavy-Duty 80 Amp Battery, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering System App, Low tire pressure warning, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Radio: Premium GMC Infotainment Sys w/Navigation, Rear reading lights, Rear seat center armrest, Rear step bumper, Security system, SiriusXM w/360L, Speed control, Speed-sensing steering, Split folding rear seat, Tachometer