2017 GMC Sierra 2500HD Denali Summit White 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselAllison 1000 6-Speed Automatic, 4WD, Cocoa/Dark Sand Leather. Driver Alert Package (Forward Collision Alert, Lane Departure Warning System, and Ultrasonic Front & Rear Park Assist), Duramax Plus Package (Chrome Power-Adjustable Heated Outside Mirrors and Chrome Recovery Hooks), Heavy-Duty Handling/Trailering Suspension Package, Rear Seat DVD/Blu-Ray Player Entertainment Package (Wireless Headphones (2 Sets)), Trailering Equipment (Trailer Brake Controller), Allison 1000 6-Speed Automatic, 4WD, Cocoa/Dark Sand Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 4.10 Rear Axle Ratio, 7 Speakers, 8" Multi-Color Driver Instrument Info Display, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-Dimming Inside Rear-View Mirror, Auto-dimming Rear-View mirror, Automatic temperature control, Black Frame-Mounted Front Recovery Hooks, Bluetooth® For Phone, Body-Color Front Bumper, Bodyside moldings, Bose 7 Speaker Sound System, Brake assist, Bumpers: body-color, Camper & 5th Wheel Trailer Wiring Provisions, CD player, Chrome Bodyside Moldings, Chrome Door Handles, Chrome wheels, Color-Keyed Carpeted Floor Mats, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Denali Decor, Driver & Front Passenger Vanity Mirror Visors, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Shift Transfer Case, Electronic Stability Control, Emergency communication system: OnStar Guidance, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, EZ-Lift & Lower Tailgate, Floor Mounted Console, Front anti-roll bar, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Full Feature Ventilated Bucket Seats, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, HD Radio, Heated & Ventilated Front Bucket Seats, Heated door mirrors, Heated Driver and Front Passenger Seats, Heated front seats, Heated Leather Wrapped Steering Wheel, Heated Power-Adjustable Outside Mirrors, Heated steering wheel, High Idle Switch, High-Intensity Discharge Headlights, Illuminated entry, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Navigation System, Occupant sensing airbag, OnStar Guidance Plan For 3 Months, OnStar w/4G LTE, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather Appointed Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power Sliding Rear Window w/Defogger, Power steering, Power Sunroof, Power windows, Power Windows w/Driver Express Up & Down, Power-Adjustable Pedals For Accelerator & Brake, Premium audio system: IntelliLink, Radio: AM/FM/SiriusXM/HD w/Navigation, Rear 60/40 Folding Bench Seat (Folds Up), Rear Body-Color Bumper w/Bumper CornerSteps, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Vision Camera, Rear Wheelhouse Liners, Rear window defroster, Remote Keyless Entry, Remote keyless entry, Remote Locking Tailgate, Remote Vehicle Starter System, Security system, Single Slot CD/MP3 Player, SiriusXM Satellite Radio, Speed control, Speed-sensing steering, Split folding rear seat, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Theft Deterrent System (Unauthorized Entry), Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Universal Home Remote, Variably intermittent wipers, Ventilated front seats, Voltmeter, Wheels: 20" Chrome Cast Aluminum, and Wireless Charging.