2026 GMC Sierra 3500HD SLE

Combined Cash Purchase Credit is available on select in-stock models and consists of applicable OEM Cash Credit of $5,000 and a Dealer Exclusive Credit of up to $4,000. Dealer Exclusive Credit amount may vary by and trim. OEM Cash Credit is not compatible with subvented lease or finance offers and is available on cash purchases only. Offers are subject to change without notice and cannot be combined with certain other promotions. Vehicle must be delivered on or before May 31, 2026. See dealer for full details.

Engine: Gas V8 6.6L/
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
Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
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.)
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)
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.)
HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
Interior Equipment
Floor covering, colour-keyed carpeting
Steering wheel audio controls
Exterior Temperature Display located in radio display
Compass, located in instrument cluster
Window, power front, drivers express up/down
Door locks, power
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Seat trim, Cloth
Cruise control, steering wheel-mounted
Air conditioning, single-zone
Seat adjuster, driver 4-way manual
Seat adjuster, passenger 4-way manual
Steering column, Tilt-Wheel, manual with wheel locking security feature
Mirror, inside rearview, manual tilt
Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
Window, power front, passenger express down
USB Ports, 2, Charge/Data ports located on instrument panel
Steering wheel, wrapped
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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
Floor mats, rubberized-vinyl front (Included and only available with (B30) colour-keyed carpeting. Deleted when LPO floor liners are ordered.)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet) (Deleted with (ZW9) pickup bed delete.)
Exterior Equipment
Single Rear Wheels
CornerStep, rear bumper
Mouldings, beltline, stainless steel
Glass, deep-tinted
Door handles, body-colour
Bumper, front chrome lower
Bumper, rear chrome with bumper CornerSteps
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light (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.)
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)
Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents (Requires single rear wheels. Included with (RFX) X31 Off-Road and Protection Package.)
Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels. Included with (RFX) X31 Off-Road and Protection Package.)
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. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered.)
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
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Grille, Chrome surround with Chrome insert bars
Entertainment Equipment
Bluetooth for phone connectivity to vehicle infotainment system
Audio system feature, 2-speakers (Requires Regular Cab model.)
Wireless phone projection for Apple CarPlay and Android Auto
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
SiriusXM 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 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
Steering, Recirculating Ball with smart flow power steering system
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Recovery hooks, front, frame-mounted, Black
Suspension Package (Not available with (X31) Off-Road Package.)
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
Push Button Start
Air filter, heavy-duty
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
Auto-locking rear differential
Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.)
Transmission, 10-Speed automatic
GVWR, 11,300 lbs. (5126 kg) with single rear wheels (Included and only available with TK30903 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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
SINGLE REAR WHEELS (STD),ENGINE BLOCK HEATER,TRANSMISSION 10-SPEED AUTOMATIC (STD),UPFITTER SWITCH KIT (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.,TRANSFER CASE TWO-SPEED ACTIVE electronic Autotrac with push button control,SLE PREFERRED EQUIPMENT GROUP includes standard equipment,REAR AXLE 3.73 RATIO,SLE CONVENIENCE PACKAGE includes (CJ2) dual climate control (A2X) 10-way power driver seat including power lumbar (N37) manual tilt/telescoping steering column and (T3U) LED fog lights
Single rear wheel models also include (U01) Roof Marker Lamps,REMOTE START PACKAGE includes (BTV) Remote Start (UTJ) content theft alarm and (C49) rear-window defogger,SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions and includes (KW5) 220-amp alternator,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) (STD),WHEELHOUSE LINERS REAR,GVWR 11 300 LBS. (5126 KG) WITH SINGLE REAR WHEELS (STD),UNIVERSAL 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 Plow,BEDLINER SPRAY-ON Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel),TRAILERING WIRING PROVISIONS for trailering 5th wheel and gooseneck trailer includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member,JET BLACK CLOTH SEAT TRIM,ONYX BLACK,Front Collision Mitigation,Four Wheel Drive,Smart Device Integration,Locking/Limited Slip Differential,Keyless Start,Telematics,Passenger Air Bag,Daytime Running Lights,Daytime Running Lights,Front Side Air Bag,Auxiliary Audio Input,Stability Control,Steering Wheel Audio Controls,Running Boards/Side Steps,ABS,Cruise Control,Power Mirror(s),Requires Subscription,Cloth Seats,Front Collision Warning,Integrated Turn Signal Mirrors,4-Wheel Disc Brakes,LED Headlights,Lane Departure Warning,Power Door Locks,Passenger Air Bag Sensor,Requires Subscription,Keyless Start,Power Door Locks,Privacy Glass,Telematics,Smart Device Integration,Back-Up Camera,Tires - Rear All-Terrain,Automatic Highbeams,Requires Subscription,Power Steering,Navigation System,Aluminum Wheels,Conventional Spare Tire,Tow Hooks,Driver Restriction Features,Daytime Running Lights,Lane Departure Warning,Bluetooth Connection,Satellite Radio,Rear Head Air Bag,Tire Pressure Monitor,Power Windows,Tow Hitch,Auxiliary Audio Input,WiFi Hotspot,Traction Control,Adjustable Steering Wheel,Bluetooth Connection,Driver Air Bag,Front Collision Mitigation,Front Head Air Bag,Front Collision Warning,Floor Mats,Automatic Highbeams,Front Collision Warning,Bluetooth Connection,A/C,Keyless Entry,MP3 Capability,Front Collision Mitigation,Tires - Front All-Terrain,Split Bench Seat,AM/FM Stereo,MP3 Capability,Heated Mirrors,Requires Subscription