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

Additional Description: 2020 GMC Sierra 3500HD AT4 Summit White 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, 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, Body Color Wheel Arch Moldings (LPO), 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, FronEngine: Duramax 6.6L Turbo-Diesel V8, AT4 Premium Package, Wheels: 20" High Gloss Black Painted (LPO), 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, Body Color Wheel Arch Moldings (LPO), Driver Alert Package II, Bed View Camera, 220 Amp Alternator, Engine Block Heater, LED Smoked Amber Roof Marker Lamps, Trailer Tire Pressure Monitor Sensors, Heavy Duty Front Spring/Camper Package, 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