Major Options / Build: Sunroof/Moonroof, Navigation System, Technology Package, Backup Camera, Blind Spot Monitoring, Off Road Package, Parking Sensors, 5th Wheel, Heated Seats, Ultimate Package, Android Auto, CarPlay

Additional Description: 10-Speed Automatic, 4WD, Jet Black Leather. GMC 2020 Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Onyx Black All manufacturer's incentives and discounts applied. See dealer for details.Preferred Equipment Group 5SA,3.73 Rear Axle Ratio,3.42 Axle Ratio,Wheels: 20" Multi-Dimensional Polished Aluminum,Wheel Locks (Set of 4) (LPO),Front Bucket Seats,Forge Perforated Leather-Appointed Front Seat Trim,10-Way Power Driver Seat Adjuster w/Lumbar,Denali Ultimate Package,Driver Alert Package I,Driver Alert Package II,Technology Package,Radio: Premium GMC Infotainment Sys w/Navigation,Electric Rear-Window Defogger,Rear Camera Mirror,OnStar & GMC Connected Services Capable,Bed View Camera,120-Volt Instrument Panel Power Outlet,Power Sunroof,1st & 2nd Row All-Weather Floor Liner (LPO),Spray-On Pickup Box Bed Liner w/Denali Logo,6" Rectangular Chromed Tubular Assist Steps,Deep-Tinted Glass,Front License Plate Kit,LED Smoked Amber Roof Marker Lamps,LED Cargo Area Lighting,Pickup Box,Chrome Recovery Hooks,Polished Exhaust Tip,Integrated Trailer Brake Controller,Gooseneck/5th Wheel Package,Hitch Package (LPO),220 Amps Alternator,Engine Block Heater,Off-Road Suspension,2-Speed Active Transfer Case,Driver Memory,Power Sliding Rear Window w/Defogger,10-Way Power Passenger Seat Adjuster w/Lumbar,GMC Connected Access Capable,Power Front Passenger Windows w/Express Up/Down,Power Rear Windows w/Express Down,Keyless Open & Start,Power Door Locks,Power Windows w/Driver Express Up/Down,Rear Wheelhouse Liners,Winter Grille Cover,Remote Vehicle Starter System,Compass Located In Instrument Cluster,Floor-Mounted Center Console,Signature Denali Grille,Safety Alert Seat,Hill Descent Control,Exhaust Brake,Wireless Charging,Heated Driver & Front Outboard Passenger Seats,Heated 2nd Row Outboard Seats,120-Volt Bed Mounted Power Outlet,12-Volt Rear Auxiliary Power Outlet,Heated & Ventilated Front Bucket Seats,Heavy-Duty 80 Amp Battery,2 USB Ports,2 USB Ports (1st Row),Electrical Lock Control Steering Column,Manual Tilt-Wheel/Telescoping Steering Column,ProGrade Trailering System,Hitch Guidance w/Hitch View,IntelliBeam Automatic High Beam On/Off,In-Vehicle Trailering System App,SiriusXM w/360L,HD Radio,Ultrasonic Front & Rear Park Assist,Following Distance Indicator,Forward Collision Alert,Rear Cross Traffic Alert,Lane Departure Warning System,Universal Home Remote,Automatic Emergency Braking,Steering Wheel Audio Controls,Lane Change Alert w/Side Blind Zone Alert,Bose Premium 7 Speaker Sound System,2nd Row Dual USB Charge-Only Ports,Unauthorized Entry Theft-Deterrent System,Multicolor 15" Diagonal Head-Up Display,HD Rear Vision Camera,HD Surround Vision w/2 Trailer View Camera Provisions,4G LTE Wi-Fi Hotspot Capable,X31 Off-Road Package,Gooseneck/5th Wheel Prep Package,4-Wheel Disc Brakes,Air Conditioning,Electronic Stability Control,Front Center Armrest,Navigation System,Tachometer,Voltmeter,ABS brakes,Auto-dimming door mirrors,Automatic temperature control,Brake assist,Bumpers: body-color,Delay-off headlights,Driver door bin,Driver vanity mirror,Dual front impact airbags,Dual front side impact airbags,Front anti-roll bar,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,Heated door mirrors,Heated front seats,Heated rear seats,Heated steering wheel,Illuminated entry,Low tire pressure warning,Memory seat,Occupant sensing airbag,Outside temperature display,Overhead airbag,Overhead console,Panic alarm,Passenger door bin,Passenger vanity mirror,Power door mirrors,Power driver seat,Power passenger seat,Power steering,Power windows,Rear reading lights,Rear seat center armrest,Rear step bumper,Rear window defroster,Remote keyless entry,Security system,Speed control,Speed-sensing steering,Split folding rear seat,Steering wheel mounted audio controls,Telescoping steering wheel,Tilt steering wheel,Traction control,Trip computer,Turn signal indicator mirrors,Variably intermittent wipers,Ventilated front seats,Auto-dimming Rear-View mirror,8 Speakers,Compass,AM/FM radio: SiriusXM,Display: analog,Auto High-beam Headlights,Premium audio system: Premium GMC Infotainment System,Apple CarPlay/Android Auto