Priced below KBB Fair Purchase Price! CARFAX One-Owner. Onyx Black 2024 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel LEATHER, Sunroof/Moonroof, Heated Seats, Backup Camera, Navigation System, Remote Start, Apple CarPlay / Android Auto, 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220-Amp Alternator, ABS brakes, Adaptive Cruise Control, Air Conditioning, AT4 Preferred Package, AT4 Premium Plus Package, Auto High-beam Headlights, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Brake assist, Deep-Tinted Glass, Delay-off headlights, Driver Memory, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Front anti-roll bar, Front dual zone A/C, Front fog lights, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, Front wheel independent suspension, Fully automatic headlights, Gloss Black Header Grille & Grille Insert Bars, GMC Connected Access Capable, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heavy-Duty 80 Amp Battery, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Inside Rearview Auto-Dimming Rear Camera Mirror, Integrated Trailer Brake Controller, Keyless Open & Start, 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, Off-Road High Clearance Step (LPO), Off-Road Suspension, OnStar & GMC Connected Services Capable, Perforated Leather-Appointed Front Seat Trim, Pickup Box, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power passenger seat, Power Sliding Rear Window w/Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 4SB, Premium audio system: Premium GMC Infotainment System, Push Button Start, Rain sensing wipers, Rear Cross Traffic Alert, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety