2021 GMC Sierra 2500HD SLT6-Speed Automatic, 4WD, Jet Black Leather.Sierra 2500HD SLT is nicely equipped with Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Perimeter Lighting, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), GMC Protection Package (LPO) (1st & 2nd Row All-Weather Floor Liner (LPO) and Black Front & Rear Molded Splash Guards (LPO)), Gooseneck/5th Wheel Package (Bed View Camera w/2 Trailer Camera Provisions and Spray-On Pickup Box Bed Liner w/GMC Logo), Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 4SA (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, Chrome Surround Grille w/High Gloss Black Mesh, Compass Located In Instrument Cluster, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, GMC Connected Access Capable, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Rear Windows w/Express Down, Power Windows w/Driver Express Up/Down, Rear Wheelhouse Liners, Remote Vehicle Starter System, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, and Wireless Phone Projection), SLT Convenience Package (10-Way Power Driver Seat Adjuster w/Lumbar, 2 USB Ports, 2 USB Ports (1st Row), Floor-Mounted Center Console, Front Bucket Seats, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, LED Smoked Amber Roof Marker Lamps, Power Sliding Rear Window w/Defogger, and Universal Home Remote), SLT Preferred Package (Bose Premium 7 Speaker Sound System, HD Surround Vision, Radio: Premium GMC Infotainm