Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Bluetooth for phone connectivity to vehicle infotainment system|Bose Sound System, premium 7-speaker system with Richbass woofer|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.)|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|Wireless phone projection for Apple CarPlay and Android Auto|Mirror, inside rearview auto-dimming|SiriusXM enjoy a Platinum Plan trial subscription|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Fog lamps, LED|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Grille (Gloss Black header and grille insert bars with Black Chrome accents.)|Wheelhouse liners, rear|Door handles, body-color|Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps|Bumper, rear body-color with bumper CornerSteps|Glass, deep-tinted|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|Moldings, beltline, Black|CornerStep, rear bumper|Tires, LT275/65R20 all-terrain, blackwall|Mirror caps, high gloss Black|Bumper, front, body-color lower|Tire, spare LT275/70R18 all-terrain, blackwall|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Bedliner, 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. Available with Ship Thru code (SQE), not available with any other Ship Thru code.)|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|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|Tailgate and bed rail protection caps, top|Wheels, 20 (50.8 cm) High Gloss black aluminum wheels 8 spokes|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Wipers, front rain-sensing|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Remote vehicle starter system|Premium Floor Liners with removable carpet insert, rear|USB Ports, 2 (first row) located on console|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)|Wireless Charging|USB ports, (2) charge-only, rear|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Windows, power rear, express down|Seat trim, Perforated front Leather|Seats, front bucket with center console|Windows, power front, drivers express up/down|Steering column, manual Tilt-Wheel and telescoping (Included and only available with (PCQ) SLE Convenience Package.|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Rear Seat Reminder|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|Driver memory recalls driver presets for power driver seat and outside mirrors|Theft-deterrent system, unauthorized entry|Exterior Temperature Display, located in radio display|Steering wheel, wrapped|Steering wheel, heated|USB Ports, 2, Charge/Data ports located inside center console|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|Seat adjuster, driver 10-way power including lumbar|Floor covering, color-keyed carpeting|Seat adjuster, passenger 10-way power including lumbar|Seating, heated driver and front outboard passenger|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)|Keyless Open and Start includes remote keyless entry|Seats, heated second row outboard seats|Cruise control, steering wheel-mounted|Steering wheel audio controls|Compass, located in instrument cluster|Seats, ventilated driver and front passenger|Premium Floor Liners with removable carpet insert, front|Air conditioning, dual-zone automatic climate control|Defogger, rear-window electric|Air vents, rear|Window, power front, passenger express up/down|Door locks, power|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|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.)|Four wheel drive|Push Button Start|Transfer case, two-speed active, electronic Autotrac with push button control|Pickup bed includes bed assist step|Air filter, heavy-duty|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Cooling, auxiliary external transmission oil cooler|Auto-locking rear differential|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Recovery hooks, Red|Transmission, Allison 10-Speed automatic|Cooling, external engine oil cooler|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.)|Skid Plates protect the oil pan, front axle and transfer case|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Brake lining wear indicator|Trailer brake controller, integrated|Suspension, Off-Road includes twin-tube shocks|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Hill Descent Control|Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue|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]