2021 GMC Sierra 3500HD Summit White 10-Speed Automatic, 4WD, Jet Black Vinyl, 2-Speed Electronic Shift Transfer Case, 220 Amp Alternator, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 4G LTE Wi-Fi Hotspot Capable, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Brake assist, Bumpers: chrome, Chrome Surround Grille w/Black Mesh, Convenience Package, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Engine Block Heater, Exhaust Brake, EZ Lift Power Lock & Release Tailgate, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp Battery, Integrated Trailer Brake Controller, LED Cargo Area Lighting, Low tire pressure warning, Occupant sensing airbag, OnStar & GMC Connected Services Capable, Outside Power-Adjustable Black Mirrors, Outside temperature display, Overhead airbag, Overhead console, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power Rear Windows w/Express Down, Power steering, Power windows, Preferred Equipment Group 1SA, Premium audio system: GMC Infotainment System, Radio: AM/FM w/GMC Infotainment System, Rear reading lights, Rear step bumper, Remote Keyless Entry, SiriusXM Radio, Snow Plow Prep/Camper Package, Solar Absorbing Tinted Glass, Split folding rear seat, Steering Wheel-Mounted Cruise Control, Suspension Package, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, Winter Grille Cover, 10-Speed Automatic, 4WD, Jet Black Vinyl.10-Speed Automatic Duramax 6.6L V8 Turbodiesel 4WD Clean CARFAX.Recent Arrival!.