Recent Arrival!Convenience Package (Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lift Power Lock & Release Tailgate, LED Cargo Area Lighting, and Outside Power-Adjustable Black Mirrors), Preferred Equipment Group 1SA (2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, Chrome Grille w/Flat Black Grille Insert Bars, OnStar Services Capable, Push Button Start, Remote Keyless Entry, Solar Absorbing Tinted Glass, and Wireless Phone Projection), Suspension Package, 10-Speed Automatic, 4WD, Black Cloth, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 220-Amp Alternator, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp Battery, High Idle Switch, Illuminated entry, IntelliBeam Automatic High Beam On/Off, Lane Departure Warning System, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Power steering, Power windows, Radio: AM/FM w/GMC Infotainment System, Rear reading lights, Rear step bumper, Remote keyless entry, Speed control, Split folding rear seat, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, Wheels: 17"" Silver Painted Steel, Wheels: 18"" Silver 8-Spoke Painted Steel, and Winter Grille Cover.Onyx Black GMC Pro Sierra 2500HD 4WD Duramax 6.6L V8 Turbodiesel