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Audio system, GMC Infotainment System with 7 diagonal color touch-screen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones|Audio system feature, 2-speakers (Requires Regular Cab model.)|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.)|Wireless phone projection for Apple CarPlay and Android Auto|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Lamps, Smoked Amber roof marker, (LED)|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|Door handles, Black grained|Grille (Chrome with flat black grille insert bars.)|Wheel trim, painted center caps|Headlamps Animated LED projectors, LED turn signals and Daytime Running Lamps|Lamps, cargo area, cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel|Moldings, beltline, Black|Wheels, 17 (43.2 cm) painted steel|Tires, LT235/80R17E all-terrain, blackwall|Glass, solar absorbing, tinted|Mirrors, outside power-adjustable vertical trailering with heated upper glass, lower convex mirrors, integrated turn signals, manual folding/extending (extends 3.31 [84.25mm]), Black (Standard on Regular Cab models. Included and only available with (PCI) Convenience Package or (ZLQ) Fleet Convenience Package.)|Spare tire delete Deletes the spare tire and wheel.|Bumper, front chrome lower|Bumper, rear, delete|Vinyl seat trim|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)|Seat adjuster, passenger 4-way manual|Compass, located in instrument cluster|Exterior Temperature Display, located in radio display|Power outlet, front auxiliary, 12-volt|Seat adjuster, driver 4-way manual|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Window, power front, passenger express down|Air conditioning, single-zone|Steering wheel, urethane|Floor covering, rubberized-vinyl (Not available with LPO floor liners.)|Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|Door locks, power|USB ports, 2, Charge/Data ports located on instrument panel|Windows, power front, drivers express up/down|Remote Keyless Entry|Back-up alarm calibration This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lighting|Driver Information Center, 3.5 diagonal monochromatic display|Windows, power rear, express down|Mirror, inside rearview, manual tilt|Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)|Cooling, auxiliary external transmission oil cooler|Four wheel drive|Recovery hooks, front, frame-mounted, Black|Cooling, external engine oil cooler|Air filtration monitoring|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Suspension Package|Capped Fuel Fill|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|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, electronic shift with push button controls (Requires 4WD models.)|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Frame, fully-boxed, hydroformed front section and an open C rear section|Trailer brake controller, integrated|GVWR, 14,000 lbs. (6350 kg)|Push Button Start|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]