Bose Sound System, premium 7-speaker system with Richbass woofer|Wireless Phone Projection for Apple CarPlay and Android Auto|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|SiriusXM|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.|Bluetooth for phone connectivity to vehicle infotainment system|Glass, deep-tinted|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|Wipers, front rain-sensing|Tire, spare LT275/70R18 all-terrain, blackwall|Wheelhouse liners, rear|Moldings, beltline, Black|Tailgate and bed rail protection caps, top|Bumper, front, body-color lower|Wheels, 20 (50.8 cm) High Gloss black aluminum wheels, 8 spokes|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|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])|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Door handles, body-color|Single Rear Wheels|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|Fog lamps, LED|Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps|CornerStep, rear bumper|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. Available with Ship Thru code (SQE), not available with any other Ship Thru code.)|Grille, Gloss Black header and grille insert bars with Black chrome accents|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Mirror caps, high gloss Black|Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Bumper, rear body-color with bumper CornerSteps|Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)|Steering wheel, heated|Steering wheel audio controls|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.)|Mirror, inside rearview auto-dimming|Keyless Open and Start|Cruise control, steering wheel-mounted|Seats, heated second row outboard seats|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Defogger, rear-window electric|USB ports, (2) charge-only, rear|Exterior Temperature Display located in radio display|Steering column, manual Tilt-Wheel and telescoping|Remote vehicle starter system|Driver memory, recalls driver presets for power driver seat and outside mirrors|Seat adjuster, driver 10-way power including lumbar|Wireless Charging|Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted|Seat adjuster, passenger 10-way power including lumbar|Windows, power rear, express down|Floor covering, color-keyed carpeting|Window, power front, passenger express up/down|Air vents, rear|Steering wheel, wrapped|Premium Floor Liners with removable carpet insert, rear|USB Ports, 2, Charge/Data ports located inside center console|Air conditioning, dual-zone automatic climate control|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|Theft-deterrent system, unauthorized entry|Compass, located in instrument cluster|Door locks, power|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|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 underseat storage, (includes child seat top tether anchor)|Seating, heated driver and front outboard passenger|Window, power front, drivers express up/down|Premium Floor Liners with removable carpet insert, front|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Seats, ventilated driver and front passenger|Seat trim, Perforated Front Leather seating surfaces|Seats, front bucket with center console|GMC Connected Access capable (Included and only available with (UE1) OnStar. Subject to terms. See onstar.com or dealer for details.)|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|USB Ports, 2 (first row) located on console|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.)|Push Button Start|Pickup bed includes bed assist step|Recovery hooks, Red|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Suspension, Off-Road includes twin-tube shocks|Auto-locking rear differential|Cooling, external engine oil cooler|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Transmission, Allison 10-Speed automatic|Brake lining wear indicator|Cooling, auxiliary external transmission oil cooler|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue|GVWR, 11,700 lbs. (5307 kg) with single rear wheels (Included and only available with model TK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)|Transfer case, two-speed active electronic Autotrac with push button control|Skid Plates protect the oil pan, front axle and transfer case|Four wheel drive|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]