SiriusXM enjoy a Platinum Plan trial subscription|Bose Sound System, premium 7-speaker system with Richbass woofer|Bluetooth for phone connectivity to vehicle infotainment system|Audio System, 13.4 diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Wireless phone projection for Apple CarPlay and Android Auto|Mirror, inside rearview auto-dimming|SiriusXM with 360L includes a trial subscription to the Platinum Plan. Experience more channels in the vehicle, a more personalized experience and easier navigation. (IMPORTANT: The SiriusXM trial package is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. Trial subscription subject to the SiriusXM Customer Agreement and privacy policy, visit www.siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)|Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31 [84.25mm]) lighting|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details|Door handles, chrome|Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps|Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo replaces GMC logo. Available with Ship Thru code (SQE), not available with any other Ship Thru code.)|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Bumper, front, body-color lower|Wheels, 20 (50.8 cm) Ultra-bright machined wheels with Black painted pockets|Fog lamps, LED|Wheelhouse liners, rear|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|Wipers, front rain-sensing|Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)|CornerStep, rear bumper|Tires, LT275/65R20 all-terrain, blackwall|Mirror caps, chrome|Tire, spare LT275/70R18 all-terrain, blackwall|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|Moldings, beltline, chrome|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)|Grille (Signature Chrome Denali grille.)|Assist steps, chromed tubular, 6 rectangular cab length (factory installed)|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|Tailgate and bed rail protection caps, top|Glass, deep-tinted|Bumper, rear body-color with bumper CornerSteps|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Door locks, power|Seat adjuster, passenger 12-way power including lumbar|Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Window, power front, passenger express up/down|Seat adjuster, driver 12-way power including lumbar|Cruise control, steering wheel-mounted|USB ports, (2) charge-only, rear|USB Ports, 2 (first row) located on console|Steering wheel, heated|Exterior Temperature Display, located in radio display|Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)|Air conditioning, dual-zone automatic climate control|Seats, heated second row outboard seats|Compass, located in instrument cluster|USB Ports, 2, Charge/Data ports located inside center console|Seating, heated driver and front outboard passenger|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Steering wheel audio controls|Seats, front bucket with center console|Steering column, manual Tilt-Wheel and telescoping (Included and only available with (PCQ) SLE Convenience Package.|Floor covering, color-keyed carpeting|Universal Home Remote|Driver memory recalls driver presets for power driver seat and outside mirrors|Windows, power rear, express down|Seat trim, Forge Perforated Leather|Steering wheel, wrapped|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|Seats, ventilated driver and front passenger|Window, power, rear sliding with rear defogger|Air vents, rear|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)|Defogger, rear-window electric|Wireless Charging|Keyless Open and Start includes remote keyless entry|Remote vehicle starter system|Rear Seat Reminder|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Seat, Up-level Rear with Storage Package 60/40 folding bench, 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)|Theft-deterrent system, unauthorized entry|Windows, power front, drivers express up/down|Four wheel drive|Air filtration monitoring|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Pickup bed includes bed assist step|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Recovery hooks, front, Chrome (plant installed.)|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 when (PTT) trailer tire pressure monitor sensors are installed.)|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, auxiliary external transmission oil cooler|Air filter, heavy-duty|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Trailer brake controller, integrated|Cooling, external engine oil cooler|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18, 20 or 22 wheels.)|Hill Descent Control|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]