Engine: Duramax 6.6L Turbo-Diesel V8

3 Years OnStar Premium Plan see onstar.com for information. Access the entire suite of OnStar Safety & Security Services and Connected Services. For retail customers this includes the OnStar Guardian app connectivity for available In-Vehicle Apps In-Vehicle Wi-Fi Hotspot data and OnStar Remote Access through the myGMC mobile app. Fleet customers will receive OnStar Vehicle Insights instead of OnStar Remote Access. (Eligible vehicles receive 3-years of the OnStar Premium Plan including the C

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 ch

Air conditioning dual-zone automatic climate control

Air filter heavy-duty

Air filtration monitoring

Air vents rear

Airbags Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)

Alternator 170 amps (Requires (L8T) 6.6L V8 gas engine.)

Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted

Assist steps chromed tubular 6' rectangular cab length (factory installed)

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

Auto-locking rear differential

Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)

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.)

Bed Step Black integrated on forward portion of bed on driver and passenger side

Bed View Camera camera in the CHMSL to show a view of the cargo bed display located in infotainment screen includes Two Trailer Camera Provisions

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.)

Bluetooth for phone connectivity to vehicle infotainment system

Bose Sound System premium 7-speaker system with Richbass woofer

Brake lining wear indicator

Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors

Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)

Bumper front body-color lower

Bumper rear body-color with bumper CornerSteps

Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Cargo tie downs (12) fixed rated at 500 lbs per corner

Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability

Compass located in instrument cluster

Cooling auxiliary external transmission oil cooler

Cooling external engine oil cooler

CornerStep rear bumper

Cruise control steering wheel-mounted

Daytime Running Lamps LED signature lighting

Defogger rear-window electric

Door handles chrome

Door locks power

Driver Information Center enhanced 12.3' diagonal reconfigurable multicolor digital display

Driver memory recalls driver 'presets' for power driver seat and outside mirrors

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] @ 4000 rpm)

ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)

Exterior Temperature Display located in radio display

Floor covering color-keyed carpeting

Floor mats carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)

Floor mats carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)

Fog lamps LED

Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)

Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)

Four wheel drive

Frame fully-boxed hydroformed front section and a fully-boxed stamped rear section

Front and Rear Park Assist Ultrasonic

Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)

Glass deep-tinted

GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)

GMC Premium information Display- 13.4' diagonal Multicolor touch screen

Grille (Signature Chrome Denali grille.)

HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.

Headlamps Animated LED projectors LED turn signals and Daytime Running Lamps

Hill Descent Control

Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching

Hitch Guidance with hitch view with Image adjustment Pan/Zoom/Tilt

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.)

IntelliBeam automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)

Keyless Open and Start includes remote keyless entry

Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel

Lamps Smoked Amber roof marker (LED) (Not available with (YF5) California state emissions requirements.)

Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)

LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob

LED Signature DRL's

LPO Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)

Mirror caps chrome

Mirror inside rearview auto-dimming

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 chrome

OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)

Pickup bed includes bed assist step

Power outlet bed mounted 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)

Power outlet instrument panel 120-volt (400 watts shared with (KC9) bed mounted power outlet)

Push button start

Rear axle 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)

Rear Cross Traffic Alert

Rear Seat Belt Indicator

Rear seat reminder

Recovery hooks front Chrome (plant installed.)

Remote vehicle starter system

Safety Alert Seat

Seat adjuster driver 12-way powe