Safety EquipmentAirbags, 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 airbagTeen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driverTire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assistDaytime Running Lamps, LED signature lightingFront Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)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.)Brake lining wear indicatorOnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)Low Speed Forward Automatic Braking (Included and only available with (PDI) Sierra HD Pro Safety.)OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response. (Requires (UE1) OnStar. Term begins on vehicle delivery date. Paid subscription required after expiry. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, GPS signal and other factors outside GM control. Changes in technology and wireless networks may limit or prevent the operation of certain services. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, software version, conditions, and geographical and technical restrictions. Compatible smartphone required for mobile app commands. Not all vehicles may transmit all crash data; OnStar links to emergency services; Voice and Maps apps are subject to change at any time and may be provided by third parties. Non-refundable and no cash value. See onstar.ca/en/info for terms and details.)Interior EquipmentFloor covering, colour-keyed carpetingSteering wheel audio controlsCompass, located in instrument clusterDoor locks, powerPower outlet, front auxiliary, 12-voltAssist handles front A-pillar mounted for driver and passenger, rear B-pillar mountedCruise control, steering wheel-mountedAir conditioning, single-zoneSeat adjuster, driver 4-way manualSeat adjuster, passenger 4-way manualSteering column, Tilt-Wheel, manual with wheel locking security featureExterior Temperature Display, located in radio displayMirror, inside rearview, manual tiltSeats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressureWindow, power front, passenger express downSteering wheel, wrappedWindows, power front, drivers express up/downGMC Premium information Display- 13.4" diagonal Multicolour touch screenKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearCloth seat trimFloor mats, rubberized-vinyl front (Included and only available with (B30) colour-keyed carpeting. Deleted when LPO floor liners are ordered.)USB ports, 2, Charge/Data ports located on instrument panelBack-up alarm calibration This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lightingUniversal Vehicle Module Includes module, customer interface harness and instructions. Provides vehicle data over an open CAN network (J1939). 10 switchable inputs/outputs and Custom Configuration Tool to integrate upfit equipment controls. Software features that support Auto Vehicle Start, Shutdown Inhibit, Fast Idle and Snow PlowPower outlet, instrument panel, 120-volt (400 watts)Driver Information centre, enhanced, 12.3" diagonal reconfigurable multicolor digital displayExterior EquipmentMouldings, beltline, stainless steelGlass, deep-tintedDoor handles, body-colourBumper, front chrome lowerIntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)Wheels, 17" (43.2 cm) painted steelMirrors, outside power-adjustable vertical trailering with heated upper glass, lower convex mirrors, integrated turn signals, manual folding/extending (extends 3.31" [84.25mm]), BlackLamps, Smoked Amber roof marker, (LED)Tires, LT235/80R17E all-terrain, blackwallSpare tire delete Deletes the spare tire and wheel.Bumper, rear, deleteLamps, cargo area, cab mounted integrated with centre high mount stop lamp with switch in bank on left side of steering wheelGrille (Chrome surround with Chrome insert bars.)Wheel trim, Chrome trim skins and chrome centre capsHeadlamps Animated LED projectors, LED turn signals and Daytime Running LampsEntertainment EquipmentWi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)Bluetooth for phone, connectivity to vehicle infotainment systemAudio system feature, 2-speakers (Requires Regular Cab model.)Wireless phone projection for Apple CarPlay and Android AutoAudio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour 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 phonesSiriusXM Trial SubscriptionSiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Certain features and/or content may not be available unless an active data connection is enabled in the vehicle. Content varies by SiriusXM subscription plan. Features and display may vary by vehicle. All SiriusXM services require a subscription, sold separately by SiriusXM after the trial period. Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service after your trial, the subscription plan you choose will continue for an indeterminate term and you will be charged according to your chosen payment method at the then-current rates unless and until you cancel. Taxes apply. Please see the SiriusXM Customer Agreement at siriusxm.ca/terms for complete terms and how to cancel, which includes calling SiriusXM at 1-888-539-7474. All rates, content, and programming are subject to change. SiriusXM uses personal information in accordance with SiriusXM Privacy Policy, available at siriusxm.ca/privacy. SiriusXM Canada Inc. "SiriusXM", the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license.)Mechanical EquipmentAir filtration monitoringFour wheel driveCooling, external engine oil coolerCooling, auxiliary external transmission oil coolerAlternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)Trailer brake controller, integratedSuspension PackageBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsSteering, Recirculating Ball with smart flow power steering systemRear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)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.)Recovery hooks, front, frame-mounted, BlackEngine, 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)Push Button StartAir filter, heavy-dutyAuto-locking rear differentialCapped Fuel FillBody, Chassis CabFrame, fully-boxed, hydroformed front section and an open "C" rear sectionGVWR, 14,000 lbs. (6350 kg)Fuel tank, front and rear, 63.5 gallon (240 litres)Transmission, 10-Speed automaticOther EquipmentSierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking