Major Options / Build: Leather Seats, Sunroof/Moonroof, Alloy Wheels, Preferred Package, Technology Package, Premium Package, Heated Seats, Android Auto, CarPlay, Multi Zone Climate Control, Bluetooth, Remote Start, 5th Wheel

Additional Description: 2020 GMC Sierra 3500HD AT4 Onyx Black 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 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 (First Row), 2 USB Ports Inside Console, 220 Amp Alternator, 2nd Row Dual USB Charge-Only Ports, 2nd Row Heated Outboard Seats, 2-Speed Active Transfer Case, 3" Round Black Tubular Off-Road Assist Steps (LPO), 3.42 Rear Axle Ratio, 3.73 Rear Axle Ratio, 4.2" Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, 8" Driver Information Center, ABS brakes, Air Conditioning, Alloy wheels, All-Weather Floor Liners w/AT4 Logo (LPO), AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Premium Package, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror w/Camera, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera, Bodyside moldings, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, 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, Emergency communication system: OnStar and GMC connected services capable, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspenEngine: Duramax 6.6L Turbo-Diesel V8, AT4 Premium Package, Technology Package, AT4 Preferred Package, Wheels: 20" 6-Spoke Bright Machined Aluminum, Power Sunroof, 3" Round Black Tubular Off-Road Assist Steps (LPO), Driver Alert Package I, Gooseneck/5th Wheel Package, Driver Alert Package II, Hitch Package (LPO), Bed View Camera, (0 P) Onyx Black, 220 Amp Alternator, Engine Block Heater, LED Smoked Amber Roof Marker Lamps, 4 Doors, 4-wheel ABS brakes, 6.6 liter V8 engine, 8-way power adjustable drivers seat, AC power outlet - 2, Air conditioning with dual zone climate control, Audio controls on steering wheel, Automatic Transmission, Bluetooth, Clock - In-radio display, Compass, Cruise control, Driver memory seats, Engine hour meter, External temperature display, Four-wheel drive, Front fog/driving lights, Head airbags - Curtain 1st and 2nd row, Heated drivers seat, Heated passenger seat, Heated steering wheel, Leather seats, Memory settings for 2 drivers, Multi-function remote - Cargo access remote engine start, Overhead console - Mini, Passenger Airbag, Pickup Bed Type - Regular, Power heated mirrors, Power windows with 4 one-touch, Remote power door locks, Satellite communications - OnStar and GMC connected services capable, Skid plates - 3, Stability control - With Anti-Roll, Tachometer, Tilt and telescopic steering wheel, Traction control - ABS and driveline, Trailer hitch, Transmission hill holder, Trip computer