The 2025 GMC Sierra 1500 Denali Ultimate stands as the pinnacle of luxury for full-size pickup trucks, combining commanding performance with refined elegance. It's powered by a 3.0 L Duramax turbo-diesel, seamlessly paired with a 10-speed automatic transmission and adaptive ride control for a smooth, capable drive. Inside, the cabin is dressed in premium leather, heated, ventilated, and massaging front seats, along with a 13.4-inch infotainment touchscreen, 12-speaker Bose audio, and a suite of advanced technologies such as Super Cruise hands-free driving, heads-up display, and GMC's versatile MultiPro tailgate.

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Engine: Turbocharged Diesel I6 3.0L/183
Safety EquipmentEnhanced Automatic Emergency BrakingFront Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assistDaytime Running Lamps, LED signature lightingAirbags, 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 airbagOnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)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.)3 Years of OnStar Digital Services up to 3 years of Super Cruise, Safety Services, and up to 72GB vehicle data plan for Wi-Fi, In-Vehicle Apps, and Voice & Maps apps. Connected by OnStar. Info at onstar.ca (Term begins from vehicle delivery date. Paid subscription(s) required after trial period expires. Always pay attention while driving and when using Super Cruise. Do not use a hand-held device. See your vehicle brand's Super Cruise Canadian website for compatible highways and more information. OnStar links to emergency services. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, cell reception, 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, conditions, and geographical and technical restrictions. Vehicle data plan will be consumed by Wi-Fi Hotspot and In-Vehicle Apps, as well as Voice & Maps apps already connected via your vehicle's OnStar Basics plan which you otherwise would have received at no additional charge (i.e. if you use Voice & Maps apps, less than 72GB of data will be available for Wi-Fi Hotspot & In-Vehicle Apps). If data cap is reached (based on total data consumed by Voice & Maps apps, Wi-Fi Hotspot and In-Vehicle Apps), Voice & Maps apps will continue to function for the duration of the Basics plan but you must purchase additional vehicle data plan(s) to use Wi-Fi Hotspot and In-Vehicle Apps. Data plans are provided by a select third-party telecommunication provider according to their terms and conditions; availability subject to change; not transferable to subsequent vehicle owners. Nonrefundable and no cash value. See onstar.ca for coverage maps, terms, details and system limitations.)Hitch View with image adjustment, Pan/Zoom/TiltHitch GuidanceHD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.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 (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)Trailer Camera Provisions and trailer viewing softwareFront and Rear Park Assist, ultrasonicFollowing Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)Trailer Side Blind Zone AlertRear Cross Traffic BrakingRear Pedestrian AlertSafety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)Seat Belt Adjustable Guide Loops, front row onlyRear Seat Belt IndicatorBuckle 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) GMC Pro Safety.)Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)Rear Seat ReminderInterior EquipmentSeats, front bucket with centre consoleSeat trim, Full grain leatherSeat adjuster, driver 16-way power including lumbar and massageSeat adjuster, passenger 16-way power including lumbar and massageSeating, heated driver and front outboard passengerDriver memory recalls driver "presets" for power driver seat and outside mirrorsSeats, ventilated driver and front passengerSeat, 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 under-seat storage, (includes child seat top tether anchor)Seats, heated second row outboard seatsCentre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capabilityFloor covering, colour-keyed carpetingFloor mats, carpeted front (Includes Premium floor mats with corner applique. Deleted when (BKF) Premium Floor Liners are ordered.)Floor mats, carpeted rear (Includes Premium floor mats. Deleted when (BKF) Premium Floor Liners are ordered.)Steering column, power rake and telescopingSteering wheel, leather-wrappedSteering wheel, heatedDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayGMC Premium information Display-13.4" diagonal Multicolour I touch screenIn-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 moduleCompass, located in instrument clusterExterior Temperature Display, located in radio displayMulticolour 15" Diagonal Head-Up DisplayBrake lining wear indicatorWindows, power front, drivers express up/downWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerKeyless Open and Start includes remote keyless entryRemote vehicle starter systemUniversal Home RemoteAdaptive Cruise ControlSuper Cruise a hands-free driver assistance feature for use on compatible roads, includes automatic lane changing and trailering capability (Includes a 3-Year trial.)Theft-deterrent system, unauthorized entrySteering column lock, electricalWireless ChargingPower outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)USB Ports, 2 (first row) located on consoleUSB Ports, 2, Charge/Data ports located inside centre consoleUSB ports, (2) charge-only, rearAir conditioning, dual-zone automatic climate controlAir vents, rearDefogger, rear-window electricRear Camera Mirror, inside rearview auto-dimming with full camera displayAssist handles front A-pillar mounted for driver and passenger, rear B-pillar mountedExterior EquipmentWheels, 22" (55.9 cm) 7-spoke ultra-bright machined with bright chrome accents and dark paint (Includes (SFE) Wheel locks, LPO.)Tires, 275/50R22SL all-season, blackwallTire, spare 255/80R17SL all-season, blackwallWheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spareWheelhouse liners, rear (Deleted with (E3Z) Carbon Fibre Composite Bed.)Tire carrier lock keyed cylinder lock that utilizes same key as ignition and doorSunroof, powerBumper, front, body-colour lowerBumper, rear body-colour with corner stepsCornerStep, rear bumperGMC MultiPro Power Steps, power-retractable with rearward articulating, (providing bed access). Foot activated running side board.Mouldings, window surround, ChromeGrille (Vader chrome header with Signature Denali Grille in vader chrome.)Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running LampsIntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)Fog lamps, LEDLighting, perimeterTaillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animationMirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memoryMirror caps, chromeWipers, front rain-sensingWindow, power, rear sliding with rear defoggerGlass, deep-tintedLamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelLED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fobGMC Front and Rear Logo, Vader ChromeTailgate, GMC MultiPro Tailgate with six functional load/access featuresTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightTailgate and bed rail protection caps, topDoor handles, chromeBedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Deleted with (E3Z) Carbon Fibre Composite Bed.)LPO, MultiPro Tailgate Audio System by KickerEntertainment EquipmentAudio 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 phonesSiriusXMSiriusXM 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.)Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilotBluetooth for phone connectivity to vehicle infotainment systemWireless, Apple CarPlay / Wireless Android AutoSteering wheel audio controlsWi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)Mechanical EquipmentEngine, 6.2L EcoTec3 V8 (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management (Requires (NPP) Dual, sport-mode active exhaust enabled.)Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade BrakingRear axle, 3.23 ratioPickup bedGVWR, 7100 lbs. (3221 kg) (Requires (L87) 6.2L EcoTec3 V8 engine.)Push Button StartAir filter, heavy-dutyElectronic Precision Shift and steering column paddle shiftersAutomatic Stop/StartHill Descent Control (Requires 4WD model.)Auto-locking rear differentialTransfer case, two-speed, electronic Autotrac with push button control (4WD models only)Denali Premium Suspension with Adaptive Ride ControlFour wheel driveCooling, external engine oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Cooling, auxiliary external transmission oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Alternator, 170 amps (Included and only available with (L87) 6.2L EcoTec3 V8 engine. Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L87) 6.2L EcoTec3 V8 engine.)Frame, fully-boxed, hydroformed front sectionTrailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM AccessoriesTrailer brake controller, integratedRecovery hooks, chromeCargo tie downs (12), fixed, rated at 500 lbs per cornerSteering, Electric Power Steering (EPS) assist, rack-and-pinionBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsCapless Fuel FillActive Exhaust, Dual, sport-mode enabled (Required and only available with (L87) 6.2L EcoTec3 V8 engine. Not available with (N10) Dual exhaust.)Exhaust, aluminized stainless-steel muffler and tailpipeOther EquipmentTrailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch GuidanceGMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive and (HS1) Safety Alert Seat. (UGN) Enhanced Automatic Emergency Braking is standard and replaces (UHY) Automatic Emergency Braking.)ENGINE DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.),Front Collision Warning,Tow Hitch,Front Collision Mitigation,Tires - Front All-Season,Locking/Limited Slip Differential,Four Wheel Drive,Keyless Start,Front Collision Mitigation,Power Steering,Automatic Highbeams,Tires - Front Performance,ABS,Lane Keeping Assist,Aluminum Wheels,Wheel Locks,Bluetooth Connection,Tires - Rear All-Season,Tires - Rear Performance,Lane Departure Warning,Satellite Radio,Front Collision Warning,4-Wheel Disc Brakes,Requires Subscription,Tow Hooks,Generic Sun/Moonroof,Sun/Moonroof,Cruise Control,Adaptive Cruise Control,Auxiliary Audio Input,MP3 Capability,Power Windows,Telematics,Requires Subscription,Telematics,Requires Subscription,Front Collision Mitigation,Requires Subscription,Premium Sound System,Driver Air Bag,Navigation System,Adaptive Cruise Control,Leather Steering Wheel,Lane Departure Warning,Power Driver Seat,MP3 Capability,Bucket Seats,Smart Device Integration,Steering Wheel Audio Controls,Cooled Front Seat(s),Climate Control,Aerial View Display System,Keyless Entry,Heated Steering Wheel,Bluetooth Connection,Privacy Glass,Fog Lamps,Auxiliary Audio Input,Heated Rear Seat(s),LED Headlights,Daytime Running Lights,Power Mirror(s),Driver Adjustable Lumbar,Rear Bench Seat,Telematics,Floor Mats,Traction Control,Automatic Highbeams,Power Door Locks,Power Door Locks,Tire Pressure Monitor,Sliding Rear Window,Front Collision Warning,Brake Assist,Lane Departure Warning,Power Windows,Cruise Control,Adaptive Cruise Control,Cruise Control Steering Assist,Seat-Massage,Heads-Up Display,Rain Sensing Wipers,Auto-Dimming Rearview Mirror,Power Windows,Front Side Air Bag,Universal Garage Door Opener,Security System,MP3 Capability,Passenger Adjustable Lumbar,Driver Monitoring,Remote Engine Start,Passenger Air Bag,Intermittent Wipers,Bed Liner,Seat-Massage,Leather Seats,Front Collision Warning,Heated Front Seat(s),Cruise Control Steering Assist,Lane Keeping Assist,WiFi Hotspot,Passenger Air Bag Sensor,Rear Head Air Bag,Blind Spot Monitor,Back-Up Camera,Requires Subscription,Auxiliary Audio Input,AM/FM Stereo,Integrated Tailgate Step,Satellite Radio,Running Boards/Side Steps,Cruise Control,Telematics,Mirror Memory,Rear Defrost,Seat Memory,A/C,Back-Up Camera,Smart Device Integration,Keyless Start,Power Folding Mirrors,Daytime Running Lights,Mirror Memory,Cross-Traffic Alert,Heated Mirrors,Rear Defrost,Front Head Air Bag,Driver Monitoring,WiFi Hotspot,Bluetooth Connection,Premium Sound System,Stability Control,Floor Mats,Lane Keeping Assist,Requires Subscription,Pass-Through Rear Seat,Power Passenger Seat,Multi-Zone A/C,Heated Front Seat(s),Power Retractable Running Boards,Variable Speed Intermittent Wipers,Rear Parking Aid,Adjustable Steering Wheel