Allison 1000 6-Speed Automatic, 4WD, Jet Black Medium Ash Gray Piping Stitching Leather.This Vehicle Includes the Following Options: Driver Alert Package (Forward Collision Alert and Lane Departure Warning System), Duramax Plus Package (Chrome Power-Adjustable Heated Trailering Mirrors, Chrome Recovery Hooks, and Engine Block Heater), Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 3LZ (110-Volt AC Power Outlet, 4.2 Diagonal Color Display Driver Info Center, 6 Rectangular Chromed Assist Steps (LPO), Auto-Dimming Inside Rear-View Mirror, Bright Sill Plates, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Mirror Caps, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Digital Steering Assist, Driver & Front Passenger Vanity Mirror Visors, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Shift Transfer Case, EZ-Lift & Lower Tailgate, Front Halogen Fog Lamps, HD Radio, Heated Power-Adjustable Outside Mirrors, Leather-Wrapped Steering Wheel, Manual Tilt-Wheel/Telescoping Steering Column, OnStar 3 Month Guidance Plan, OnStar 4G LTE Wi-Fi Hotspot, Power Sliding Rear Window w/Defogger, Power Windows w/Driver Express Up & Down, Rear 60/40 Folding Bench Seat (Folds Up), Rear Vision Camera, Rear Wheelhouse Liners, Remote Keyless Entry, Remote Locking Tailgate, Remote Vehicle Starter System, Single Slot CD/MP3 Player, SiriusXM Satellite Radio, Spray-On Pickup Box Bed Liner w/Bowtie Logo, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, and Universal Home Remote), Standard Suspension Package, Trailering Equipment, Allison 1000 6-Speed Automatic, 4WD, Jet Black Medium Ash Gray Piping Stitching Leather, 4 Movable Upper Cargo Tie Downs, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Black Recovery Hooks, Body-Color Front Bumper, Body-Color Rear Bumper, Bodyside moldings, BOSE Sound w/6 Speaker System, Brake assist, Bumpers: body-color, Carpeted Front & Rear Floor Mats, CD player, Chrome wheels, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar Guidance, Exhaust Brake, Exterior Parking Camera Rear, Floor Mounted Console, Front & Rear All-Weather Floor Mats, Front anti-roll bar, Front Bucket Seats, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Heated & Vented Front Seating, Heated door mirrors, Heated Driver & Front Passenger Seating, Heated Front Full Feature Bucket Seats, Heated front seats, Heated Leather Wrapped Steering Wheel, Heated steering wheel, Illuminated entry, Integrated Trailer Brake Controller, LED Cargo Box Lighting, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, 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 steering, Power Sunroof, Power windows, Power-Adjustable Pedals, Premium audio system: Chevrolet MyLink, Radio: AM/FM Stereo w/Chevrolet MyLink/Navigation, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Under-Seat Storage (LPO), Rear window defroster, Remote keyless entry, Security system, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Ultrasonic Front & Rear Park Assist, Variably intermittent wipers, Ventilated front seats, Voltmeter, Wheel Locks (Set of 4) (LPO),