Certified. Summit White 2022 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Clean Carfax No Accident, Carfax One Owner, 12 Touchscreen Display, 4X4 / Four Wheel Drive, Active Driving Assist Sytem, Adaptive Cruise Control, Android Auto, Apple Car Play, Bedliner, Blind Spot Monitor, Bluetooth With Streaming Audio, Bose Premium Audio, Built In WIFI Hotspot, Forward Collision Alert, Heated Rear Seats, Heated Cooled Front Seats, Lane Keep Assist With Lane Deprture, Navigation/GPS, Power Tilt/Sliding Sunroof, Rear Cross Traffic Alert, Remote Engine Start, Remote Keyless Entry, Spray-In Bedliner, Trailer Tow Package, Wireless Charging, 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 3.73 Rear Axle Ratio, AT4 Preferred Package, Automatic Emergency Braking, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Driver Alert Package I, Driver Alert Package II, Following Distance Indicator, Forward Collision Alert, Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, HD Surround Vision w/2 Trailer View Camera Provisions, Heated 2nd Row Outboard Seats, Hitch Guidance w/Hitch View, IntelliBeam Automatic High Beam On/Off, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Smoked Amber Roof Marker Lamps, Perimeter Lighting, Power Sliding Rear Window w/Defogger, Radio: AM/FM w/Prem GMC Infotainment System & Navi, Rear Cross Traffic Alert, Safety Alert Seat, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Wheel Locks, Wheels: 20 Machined Aluminum Bolt Pattern (LPO), Wheels: 20 Transit Aluminum, Wireless Charging. AT4 Preferred Package (Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, HD Surround Vision w/2 Trailer View Camera Provisions, Hitch Guidance w/Hitch View, LED Smoked Amber Roof Marker Lamps, Power Sliding Rear Window w/Defogger, Radio: AM/FM w/Prem GMC Infotainment System & Navi, Universal Home Remote, and Wireless Charging), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Perimeter Lighting, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert, IntelliBeam Automatic High Beam On/Off, Lane Departure Warning System, and Safety Alert Seat), Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, Hitch Package (LPO), Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 4.2 Diagonal Color Display Driver Info Center, Compass Located In Instrument Cluster, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seats, Heated Steering Wheel, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Painted Blk Surround Grille w/High Gloss Blk Mesh, 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, Prem Front Floor Liners w/Removable Carpet Insert, Prem Rear Floor Liners w/Removable Carpet Insert, ProGrade Trailering System, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, Ventilated Driver & Front Passenger Seats, Wi-Fi Hotspot Capable, and Wireless Phone Projection), Technology Package (8 Driver Information Center, Auto-Dimming Inside Rearview Mirror w/Camera, and Multicolor 15 Diagonal Head-Up D