2025 GMC SIERRA 3500HD SLT

Engine: 6.6L TURBO 8cyl.

Safety Equipment

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• 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
• Teen 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 driver
• Rear Seat Reminder
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• LED Signature DRL's
• 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.)
• Seat Belt Adjustable Guide Loops, front row only
• Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
• OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
• Daytime Running Lamps LED signature lighting
• 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)
• HD Rear Vision Camera (Removed with (UV2) HD Surround Vision or (ZW9) pickup bed delete. Not available with (Z6A) Gooseneck / 5th Wheel Prep Package.)
• 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. OnStar Basics includes access to remote commands through your vehicle's mobile app (compatible smartphone required); Automatic Crash Response (not all vehicles may transmit all crash data; OnStar links to emergency services); and wireless connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic (Voice & Maps apps are subject to change at any time and may be provided by third parties). Term begins from date of vehicle delivery. 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. For customers who also separately receive or purchase a Premium Plan or Vehicle Data Plan to use Wi-Fi Hotspot and In-Vehicle Apps, the data provided as part of that plan will also be used by any Voice & Maps apps which already had data connectivity under this Basics plan; if any applicable data caps are reached, Voice & Maps apps will continue to function for the duration of this Basics plan but additional vehicle data plan(s) must be purchased to use Wi-Fi Hotspot and In-Vehicle Apps. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, conditions, and geographical and technical restrictions. Non-refundable and no cash value. See onstar.ca for details.)

Interior Equipment

• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• Seating, heated driver and front outboard passenger
• Driver memory, recalls driver "presets" for power driver seat and outside mirrors
• Floor covering, colour-keyed carpeting
• Steering wheel, heated
• Steering wheel audio controls
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Remote vehicle starter system
• Theft-deterrent system, unauthorized entry
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• Air conditioning, dual-zone automatic climate control
• Cruise control, steering wheel-mounted
• Steering column, manual Tilt-Wheel and telescoping
• USB Ports, 2, Charge/Data ports located on instrument panel
• Steering wheel, wrapped
• Air vents, rear
• Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
• Floor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
• Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• GMC Premium information Display- 13.4" diagonal Multicolour touch screen
• Keyless Open and Start includes remote keyless entry
• USB ports, (2) charge-only, rear
• 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, centre fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
• 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.)
• Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package or (PDB) SLT Premium Package.)
• Seat trim, Perforated Leather-appointed front outboard seating positions

Exterior Equipment

• Single Rear Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• CornerStep, rear bumper
• Mouldings, beltline, stainless steel
• 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])
• Mirror caps, chrome
• Glass, deep-tinted
• Door handles, chrome
• Tailgate and bed rail protection caps, top
• Bumper, front chrome lower
• Bumper, rear chrome with bumper CornerSteps
• Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
• Wipers, front rain-sensing
• Fog lamps, LED
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
• LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.)
• Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
• Wheelhouse liners, rear (Not available with dual rear wheel models.)
• 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
• Grille, Chrome surround with chrome insert bars
• Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents (Requires single rear wheels.)
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires or (QF9) LT275/65R20 all-terrain, blackwall tires with (E63) pickup bed models.)

Entertainment Equipment

• Bluetooth for phone connectivity to vehicle infotainment system
• Audio system feature, 6-speaker system,
• Wireless Phone Projection for Apple CarPlay and Android Auto
• SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (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.)
• Audio 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 phones.
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• SiriusXM Trial Subscription

Mechanical Equipment

• 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)
• Air filtration monitoring
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• 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.)
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• Trailer brake controller, integrated
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• Pickup bed includes bed assist step
• Recovery hooks, front, frame-mounted, Black
• Suspension Package (Not available with (X31) Off-Road Package.)
• Push Button Start
• Air filter, heavy-duty
• Auto-locking rear differential
• Transmission, Allison 10-Speed automatic
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• Transfer case, two-speed active electronic Autotrac with push button control (Requires 4WD models.)
• 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.)
• GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
• Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue

Other Equipment

• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
• Sierra 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
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App