Allison 1000 6-Speed Automatic, 4WD, jet black dark ash Vinyl. Odometer is 2106 miles below market average! Tallassee Automotive - Drive a little, Save a Lot. Summit White 2018 GMC Sierra 2500HD 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselHeavy-Duty Handling/Trailering Suspension Package, Preferred Equipment Group 1SA (3.5 Diagonal Monochromatic Display DIC, Black Outside Manual Mirrors, Rear 60/40 Folding Bench Seat (Folds Up), and Steering Wheel), Sierra Convenience Package (110-Volt AC Power Outlet, Black Power-Adjustable Heated Outside Mirrors, Deep-Tinted Glass, LED Cargo Box Lighting, Remote Keyless Entry, and Remote Locking Tailgate), Trailering Equipment (Trailer Brake Controller), Allison 1000 6-Speed Automatic, 4WD, jet black dark ash Vinyl, 17 Steel Wheels, 3.73 Rear Axle Ratio, 4.10 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System, ABS brakes, Air Conditioning, AM/FM radio, Auto-Dimming Inside Rear-View Mirror, Bluetooth For Phone, Brake assist, Bumpers: chrome, Camper & 5th Wheel Trailer Wiring Provisions, Cloth Seat Trim, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Front 40/20/40 Reclining Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front reading lights, Front wheel independent suspension, Fully automatic headlights, High-Intensity Discharge Headlights, Low tire pressure warning, Occupant sensing airbag, Overhead airbag, Overhead console, Passenger door bin, Passenger vanity mirror, Power steering, Power windows, Power-Adjustable Black Heated Outside Mirrors, Premium audio system: GMC Infotainment System, Radio: AM/FM w/USB Ports, Rear reading lights, Rear seat center armrest, Rear step bumper, Speed control, Split folding rear seat, Spray-On Pickup Box Bed Liner, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, and Voltmeter.