Sierra 2500HD AAT4 4D Crew Cab Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD Brownstone Metallic Jet Black With Kalahari Accents Leather. Clean CARFAX. Odometer is 35922 miles below market average! Brownstone Metallic 2020 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel AT4 Preferred Package (Bose Premium 7 Speaker Sound System LED Smoked Amber Roof Marker Lamps Power Sliding Rear Window w/Defogger Radio: Premium GMC Infotainment Sys w/Navigation Universal Home Remote and Wireless Charging) Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet 120-Volt Bed Mounted Power Outlet 120-Volt Instrument Panel Power Outlet 2 USB Ports 2 USB Ports (1st Row) 2-Speed Active Transfer Case 2nd Row Dual USB Charge-Only Ports 4.2 Diagonal Color Display Driver Info Center 4G LTE Wi-Fi Hotspot Capable Compass Located In Instrument Cluster Deep-Tinted Glass Electric Rear-Window Defogger Electrical Lock Control Steering Column Floor-Mounted Center Console GMC Connected Access Capable HD Rear Vision Camera Heated & Ventilated Front Bucket Seats Heated 2nd Row Outboard Seats Heated Driver & Front Outboard Passenger Seats Integrated Trailer Brake Controller Keyless Open & Start LED Cargo Area Lighting Manual Tilt-Wheel/Telescoping Steering Column OnStar & GMC Connected Services Capable Painted Black Surround Grille Power Door Locks Power Front Passenger Windows w/Express Up/Down Power Rear Windows w/Express Down Power Windows w/Driver Express Up/Down Rear Wheelhouse Liners Remote Vehicle Starter System Spray-On Pickup Box Bed Liner w/AT4 Logo Steering Wheel Audio Controls and Unauthorized Entry Theft-Deterrent System) Snow Plow Prep/Camper Package X31 Off-Road Package (Hill Start Assist) Sierra 2500HD AAT4 4D Crew Cab Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD Brownstone Metallic Jet Black With Kalahari Accents Leather 10-Way Power Driver Seat Adjuster w/Lumbar 10-Way Power Passenger Seat Adjuster w/Lumbar 220 Amps Alternator 4-Wheel Disc Brakes 6 Speakers 6-Speaker Audio System Feature ABS brakes Air Conditioning Alloy wheels AM/FM radio: SiriusXM Apple CarPlay/Android Auto Auto-dimming door mirrors Auto-dimming Rear-View mirror Automatic temperature control Brake assist Bumpers: body-color Compass Delay-off headlights Driver door bin Driver Memory Driver vanity mirror Dual front impact airbags Dual front side impact airbags Electronic Stability Control Engine Block Heater Exhaust Brake 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 suspension Fully automatic headlights HD Radio Heated door mirrors Heated Front Seats Heated Rear Seats Heated steering wheel Heavy-Duty 80 Amp Battery Hitch Guidance w/Hitch View Illuminated entry In-Vehicle Trailering System App Low tire pressure warning Memory seat Occupant sensing airbag Off-Road Suspension Outside temperature display Overhead airbag Overhead console Panic alarm Passenger door bin Passenger vanity mirror Perforated Leather-Appointed Front Seat Trim Pickup Box Power door mirrors Power driver seat Power passenger seat Power steering Power Sunroof Power windows Premium audio system: Premium GMC Infotainment System Radio: AM/FM w/Premium GMC Infotainment System Rear reading lights Rear seat center armrest Rear step bumper Rear window defroster Remote keyless entry Security system SiriusXM w/360L Speed control Speed-sensing steering Split folding rear seat Steering wheel mounted audio controls Tachometer Telescoping steering wheel Tilt steering wheel Traction control Trip computer Turn signal indicator mirrors Variably intermittent wipers Ventilated front seats Voltmeter Wheels: 18 6-Spoke Machined Aluminum Wheels: 20 6-Spoke Bright Machined Aluminum and Winter Gr