Audio system, GMC Infotainment System with 7 diagonal color touchscreen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable|Bluetooth for phone connectivity to vehicle infotainment system|SiriusXM enjoy a Platinum Plan trial subscription (Requires (UE1) OnStar. IMPORTANT: The SiriusXM trial package is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. Trial subscription is 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.)|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Wireless Phone Projection for Apple CarPlay and Android Auto|Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires with (E63) pickup bed single rear wheel models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered with single rear wheel models.)|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.)|Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)|Bumper, rear chrome with bumper CornerSteps|Bumper, front chrome lower|Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps|Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)|Single Rear Wheels|Grille, Chrome with flat black grille insert bars|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)|Moldings, beltline, Black|Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31 [84.25mm]), molded in Black (Not available on Regular Cab models.)|Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)|Wheels, 18 (45.7 cm) 8-spoke painted steel, Silver Extended (Requires single rear wheels.)|Glass, solar absorbing, tinted|Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Door handles, Black grained|Tailgate, standard (Deleted with (ZW9) pickup bed delete.)|Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)|CornerStep, rear bumper|Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)|USB Ports, 2, Charge/Data ports located on instrument panel|Remote Keyless Entry|Air vents, rear (Not available with Regular Cab model.)|Seat adjuster, passenger 4-way manual|Exterior Temperature Display located in radio display|Driver Information Center, 3.5 diagonal monochromatic display|Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|Floor covering, rubberized-vinyl (Not available with LPO floor liners.)|Seat trim, Vinyl|Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted|Windows, power rear, express down (Not available on Regular Cab models.)|Air conditioning, single-zone|Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)|Window, power front, drivers express up/down|Power outlet, front auxiliary, 12-volt|Seat adjuster, driver 4-way manual|GMC Connected Access capable (Included and only available with (UE1) OnStar. Subject to terms. See onstar.com or dealer for details.)|Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)|Steering wheel, urethane|Door locks, power|Window, power front, passenger express down|Mirror, inside rearview, manual tilt|Compass, located in instrument cluster|Recovery hooks, front, frame-mounted, Black|Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.)|Four wheel drive|Air filter, heavy-duty|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Cooling, external engine oil cooler|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]