Onyx Black Recent Arrival! Priced below KBB Fair Purchase Price!<br>Genuine Wood Inserts, Sierra 2500HD Denali Ultimate, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Alpine Umber Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2-Speed Active Transfer Case, 220-Amp Alternator, 4-Wheel Disc Brakes, ABS brakes, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Block heater, Bose Premium Series 12-Speaker System, Brake assist, Deep-Tinted Glass, Driver Memory, Dual Heavy-Duty 70 Amp Battery, Electric Rear-Window Defogger, Electronic Stability Control, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Rain-Sensing Wipers, Full Grain Leather Seat Trim, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heads-Up Display, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Heated steering wheel, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Inside Rearview Auto-Dimming Rear Camera Mirror, Keyless Open & Start, Lane Departure Warning System, Leather steering wheel, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15'' Diagonal Head-Up Display, Off-Road Suspension, OnStar Services Capable, Overhead console, Power Front Passenger Windows w/Express Up/Down, Power moonroof, Power Sliding Rear Window w/Defogger, Power Sunroof, Preferred Equipment Group 5SB, Push Button Start, Radio: AM/FM w/Premium GMC Infotainment System, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, Signature Denali Ultimate Grille in Vadar Chrome, Speed-sensing steering, Spray-On Pi