Clean CARFAX. Onyx Black 2018 GMC Sierra 2500HD Denali 4WD 6-Speed Automatic HD Electronic with Overdrive Vortec 6.0L V8 SFI Flex Fuel VVT 6-Speed Automatic HD Electronic with Overdrive, 4WD, Jet Black Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 4-Wheel Disc Brakes, 4.10 Rear Axle Ratio, 4" Round Chromed Tubular Assist Steps (LPO), 7 Speakers, 8" Multi-Color Driver Instrument Info Display, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, Alternate Assist Step Desired, AM/FM radio: SiriusXM, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-Dimming Inside Rear-View Mirror, Auto-dimming Rear-View mirror, Automatic temperature control, Black Frame-Mounted Front Recovery Hooks, Bluetooth® For Phone, Body-Color Front Bumper, Bodyside moldings, Bose 7 Speaker Sound System, Brake assist, Bumpers: body-color, Camper & 5th Wheel Trailer Wiring Provisions, CD player, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Power-Adjustable Heated Outside Mirrors, Chrome wheels, Color-Keyed Carpeted Floor Mats, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver & Front Passenger Vanity Mirror Visors, Driver Alert Package, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Shift Transfer Case, Electronic Stability Control, Exterior Parking Camera Rear, EZ-Lift & Lower Tailgate, Floor Mounted Console, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Full Feature Ventilated Bucket Seats, Front Halogen Fog Lamps, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, GMC 4G LTE, GMC Connected Access, HD Radio, Heated & Ventilated Front Bucket Seats, Heated door mirrors, Heated Driver and Front Passenger Seats, Heate