This 2015 GMC Sierra 3500HD come equipped with, Allison 1000 6-Speed Automatic, 4WD, Dark Ash/Jet Black Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 18 Chromed Aluminum Wheels, 4-Wheel Disc Brakes, 4.10 Rear Axle Ratio, 7 Speakers, 8 Enhanced Driver Instrument Information Display, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Auto-Dimming Inside Rear-View Mirror, Auto-dimming Rear-View mirror, Automatic temperature control, Bodyside moldings, Bose Speaker System, Brake assist, Bumpers: body-color, CD player, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Power-Adjustable Heated Outside Mirrors, Chrome wheels, Color-Keyed Carpeted 1st & 2nd Row Floor Mats, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver & Front Passenger 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 Directions & Connections, Exterior Parking Camera Rear, EZ-Lift & Lower Tailgate, Floor Mounted Console, Front anti-roll bar, Front Body-Color Bumper, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Frame-Mounted Black Recovery Hooks, Front Full Feature Bucket Seats, Front Halogen Fog Lamps, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Heated & Cooled Driver & Front Passenger Seats, Heated door mirrors, Heated Driver & Front Passenger Seats, Heated front seats, Heated steering wheel, Illuminated entry, Leather Wrapped Heated Steering Wheel, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Navigation System, Occupant sensing airbag, OnStar 6 Months Directions/Connections, OnStar w/4G LTE, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pedal memory, Perforated Leather-Appointed Seat Trim, Power Adjustable Pedals, Power door mirrors, Power driver seat, Power passenger seat, Power Sliding Rear Window, Power steering, Power Windows, Power windows, Radio: AM/FM Stereo w/8 Diagonal Color Touch Nav., 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 w/Dynamic Guide Lines, Rear Wheelhouse Liners, Rear window defroster, Remote Keyless Entry, Remote keyless entry, Remote Vehicle Starter System, Security system, Single-Slot CD/MP3 Player, SiriusXM Satellite Radio, Speed control, Split folding rear seat, Standard Suspension Package, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailering Equipment, Trip computer, Turn signal indicator mirrors, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Variably intermittent wipers, Ventilated front seats, Voltmeter, Allison 1000 6-Speed Automatic, 4WD, Dark Ash/Jet Black Leather, 110-Volt AC Power Outlet, 150 Amps Alternator, 18 Chromed Aluminum Wheels, 4-Wheel Disc Brakes, 4.10 Rear Axle Ratio, 7 Speakers, 8 Enhanced Driver Instrument Information Display, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Auto-Dimming Inside Rear-View Mirror, Auto-dimming Rear-View mirror, Automatic temperature control, Bodyside moldings, Bose Speaker System, Brake assist, Bumpers: body-color, CD player, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Power-Adjustable Heated Outside Mirrors, Chrome wheels, Color-Keyed Carpeted 1st & 2nd Row Floor Mats, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver & Front Passenger Visors, Driver door bin, Driver vanity mirror, Dual front i