Certified. Recent Arrival! 2021 Onyx Black GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel This GMC Sierra 2500HD has many features and is well equipped including, Lifetime Engine Guarantee, Lifetime Oil Changes, Window Tint, Accident Free Carfax, Bluetooth, Non-Smoker, Carfax One-Owner, Great Fuel Economy, Heated Mirrors, Heated / Cooled Seats, Keyless Entry, Leather, Local Trade, Navigation / GPS, New Car Trade, Power Sunroof / Moonroof, Rear Backup Camera, Rear Backup Sensors, Tow Package, All Wheel Drive / 4x4, GMC Certified Pre-Owned Certified, 10-Speed Automatic, 4WD, Jet Black w/Forge Perforated Leather-Appointed Front Seat Trim, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 2nd Row Dual USB Charge-Only Ports, 2-Speed Active Transfer Case, 3.73 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, 4-Wheel Disc Brakes, 6" Rectangular Chromed Tubular Assist Steps, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, Chrome Recovery Hooks, Compass, Compass Located In Instrument Cluster, Deep-Tinted Glass, Delay-off headlights, Driver Alert Package I, Driver Alert Package II, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forge Perforated Leather-Appointed Front Seat Trim, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood console insert, Genuine wood door panel insert, GMC Connected Access Capable, HD Radio, HD Surround Vision, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hill Descent Control, Hitch Guidance w/Hitch View, Illuminated entry, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, In-Vehicle Trailering System App, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Navigation System, Occupant sensing airbag, Off-Road Suspension, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Polished Exhaust Tip, Power Door Locks, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power passenger seat, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power steering, Power windows, Power Windows w/Driver Express Up/Down, Premium audio system: Premium GMC Infotainment System, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Cross Traffic Alert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, Signature Denali Grille, SiriusXM w/360L, Speed control, Speed-sensing steering, Split folding rear seat, Spray-On Pickup Box Bed Liner w/Denali Logo, Steeri