*** 6.6L DURAMAX V8 TURBODIESEL, *** 4WD - 4 WHEEL DRIVE, *** AT4 OFF ROAD SUSPENSION - 2 INCH FACTORY LIFT KIT WITH RANCH MONOTUBE SHOCKS AND SKID PLATES, *** INTEGRATED COLOR TOUCHSCREEN GPS NAVIGATION SYSTEM, *** PANORAMIC SKYVIEW SUNROOF/MOONROOF WITH INTERIOR SHADE COVER, *** ADAPTIVE SPEED CONTROL WITH ALERTS, *** INTEGRATED MOBILE APP'S DOWNLOAD SECTION, *** VOICE COMMAND WITH BLUETOOTH HANDS FREE CONNECT, *** WIRELESS SMART PHONE CHARGING PAD FOR BOTH iPHONE AND ANDROID, *** 4G LTE WI-FI WIRELESS HOTSPOT CONNECT, *** INTEGRATED APPLE CARPLAY AND ANDROID AUTO CONNECT, *** ULTIMATE SAFTEY - TEEN DRIVER MODE, *** REVERSE BACKUP SAFTEY CAMERA, *** REMOTE VEHICLE START, *** PERIMETER ANTI-THEFT ALARM SYSTEM, *** HD DIGITAL READIO EQUIPPED, *** SIRIUS XM - SXM RADIO, *** GM EQUIPPED ONSTAR IN-VEHICLE SAFTEY AND SECURITY SYSTEM, *** POWER SLIDING MOONROOF, *** CARFAX 1-OWNER, *** FREE CARFAX SERVICE AND MAINTENANCE INTERVAL RECORDS, *** CLASS IV TRAILER TOW RECIEVING HITCH, *** INTEGRATED TRAILER BRAKE CONTROLLER, *** POWER FOLDING AND HEATED TRAILER TOW MIRRORS, Sierra 2500HD AAT4, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 4WD, Summit White, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 1st & 2nd Rows All-Weather Floor Liners (LPO), 2 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Transfer Case, 220 Amps Alternator, 2nd Row Dual USB Charge-Only Ports, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 4.2" Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 6 Speakers, 6-Speaker Audio System Feature, 6" Rectangular Black Tubular Assist Steps (LPO), ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Premium Package, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, Compass, Compass Located In Instrument Cluster, Deep-Tinted Glass, Delay-off headlights, Driver Alert Package I, Driver Alert Package II, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Connected Access Capable, HD Radio, HD Rear Vision Camera, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hill Descent Control, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Occupant sensing airbag, Off-Road Suspension, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Painted Black Surround Grille, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Seat Trim, Pickup Box, Power Door Locks, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power passenger seat