BACK UP CAMERA / REVERSE CAMERA / REARVIEW CAMERA, NAVIGATION / NAV / GPS / VOICE ACTIVATED NAVIGATION, 4X4 / FOUR WHEEL DRIVE / 4WD, POWER WINDOWS & LOCKS, CRUISE CONTROL, LANE KEEPING ALERT / LAKE KEEPING ASSISTANCE, INTEGRATED TRAILER BRAKE CONTROL / TRAILER BRAKE CONTROL, 5TH WHEEL HITCH PREP PACKAGE, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2nd Row Dual USB Charge-Only Ports, 2nd Row Heated Outboard Seats, 2-Speed Active Transfer Case, 3.42 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, 6 Rectangular Chromed Tubular Assist Steps, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-Dimming Inside Rearview Mirror w/Camera, Automatic Emergency Braking, Bed View Camera, 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, Electronic Stability Control, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Fully automatic headlights, GMC Connected Access Capable, Gooseneck/5th Wheel Package, HD Radio, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated Driver & Front Outboard Passenger Seats, Hitch Guidance w/Hitch View, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, In-Vehicle Trailering System App, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, 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 Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power Sunroof, Preferred Equipment Group 5SA, ProGrade Trailering System, Rear Cross Traffic Alert, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille w/High Gloss Black Mesh, Spray-On Pickup Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Technology Package, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging. 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbo