Major Options / Build: Sunroof/Moonroof, Storage Package, Bluetooth, Backup Camera, Off Road Package, Premium Package, 5th Wheel, Heated Seats, Android Auto, CarPlay

Additional Description: Bluetooth for phone, connectivity to vehicle infotainment system|Audio system, Premium GMC Infotainment System with 8 diagonal color touch-screen includes multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (As of 4-17-20 Dealer upgrade to navigation is no longer available to order. Includes (PZ8) Hitch Guidance with hitch view.)|Radio, HD|Audio system feature, 6-speaker system|4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|SiriusXM Radio with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.)|Bed Liner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Not available with any Ship Thrus EXCEPT (VSH), (VTV), (TCH) or (TCE).)|CornerStep, rear bumper|Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31 [84.25mm]) (Molded in color Black.)|Tailgate and bed rail protection caps, top|Cargo tie downs (12), fixed rated at 500 lbs per corner|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Door handles, body-color|Tire, spare LT275/70R18 all-terrain, blackwall|Taillamps, LED signature taillight with LED stop and reverse light|Tires, LT275/70R18E all-terrain, blackwall|Bumper, front, body-color lower|Bumper, rear body-color with corner steps|Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps|Fog lamps, LED|Tailgate, GMC MultiPro Tailgate with six functional load/access features|BedStep, Black integrated on forward portion of bed on driver and passenger side|Wheelhouse liners, rear|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Grille (Painted Black surround with high gloss Black mesh and Black chrome inserts.)|Glass, deep-tinted|Moldings, beltline, Black|Wheels, 18 (45.7 cm) 6-spoke machined aluminum with high gloss Black accents|Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel.|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Rear Seat Reminder|Remote vehicle starter system|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Seats, ventilated driver and front passenger|USB ports, dual, charge-only (2nd row)|Theft-deterrent system, unauthorized entry|USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack|Air conditioning, dual-zone automatic climate control|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details)|Driver Information Center, 4.2 diagonal color display includes driver personalization|Air vents, rear|Steering wheel, heated|Steering wheel, leather-wrapped|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Steering column, lock control, electrical|Window, power front, passenger express up/down|Power outlet, rear auxiliary, 12-volt|Driver memory recalls driver presets for power driver seat and outside mirrors|Seat adjuster, passenger 10-way power including lumbar|Cruise control, steering wheel-mounted|Windows, power rear, express down|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Mirror, inside rearview auto-dimming|Steering column, manual Tilt-Wheel and telescoping|Door locks, power|Windows, power front, drivers express up/down|Seats, front bucket with center console|Power outlet, front auxiliary, 12-volt|Seat trim, Perforated leather-appointed front|Keyless Open and Start|Compass, located in instrument cluster|Floor covering, color-keyed carpeting|Seats, heated second row outboard seats|USB ports, 2 (first row) located on instrument panel|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Seating, heated driver and front outboard passenger|Seat adjuster, driver 10-way power including lumbar|Defogger, rear-window electric|Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)|Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|LPO, All-weather floor liners, 1st and 2nd rows (includes AT4 logo)|Exterior Temperature Display, located in radio display|Steering wheel audio controls|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Four wheel drive|Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue.|Cooling, external engine oil cooler|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)|GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18 or 20 wheels, or TK20943 and (L8T) 6.6L V8 gas engine with 17 wheels.)|Air filter, high-capacity|Transmission, 6-speed automatic, heavy-duty|In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)|Cooling, auxiliary external transmission oil cooler|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Alternator, 170 amps|Skid Plates protect the oil pan, front axle and transfer case|Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)|Transfer case, two-speed active, electronic Autotrac with push button control|Pickup bed includes bed assist step|Air filtration monitoring|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Hill Descent Control|Trailer brake controller, integrated|Differential, heavy-duty locking rear|Brake lining wear indicator|Recovery hooks, Red|Suspension, Off-Road includes twin-tube shocks|Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance|ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App|X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks|Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering|Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver|Daytime Running Lamps, LED signature lighting|Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt|Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist|Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)|HD Rear Vision Camera|OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)DRIVER ALERT PACKAGE II|SUNROOF, POWER|AT4 PREMIUM PACKAGE|REAR AXLE, 3.42 RATIO|EMISSIONS, FEDERAL REQUIREMENTS|ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE|GVWR, 11,350 LBS|TRANSMISSION, ALLISON 10-SPEED AUTOMATIC