http://schema.org/NewCondition 2025 GMC 1GT1UXEY5SF144711 Denali Ultimate

2025
GMC SIERRA 2500HD DENALI ULTIMATE 4X4 CREW CAB 6.75 FT. BOX (5SB)

Price

$131,120

131 120 $


Final Price

Price does not include taxes and licensing fees.

$131,120

Term (mo.)

Frequency

Price

$131,120

131 120 $


Final Price

Price does not include taxes and licensing fees.

$53,745

Finance For (2.99%)

$19.988 x 84 Months @ 6.49% APR (estimated financing rate, cost of borrowing $4,907).
Plus taxes and license.

$776 / mo

Term (mo.)

Frequency

Price

$131,120

131 120 $


Final Price

Price does not include taxes and licensing fees.

$53,745

Lease For (2.99%)

$19.988 x 84 Months @ 6.49% APR (estimated financing rate, cost of borrowing $4,907).
Plus taxes and license.

$776 / mo

Seaway Chevrolet Buick GMC Ltd

  Request Information  +1-844-937-1785

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2025 GMC Sierra 2500HD Denali Ultimate – A Masterclass in Power and Luxury

Experience the pinnacle of heavy-duty trucks with the 2025 GMC Sierra 2500HD Denali Ultimate. Crafted for those who demand strength, sophistication, and advanced technology, this truck brings a 6.6L V8 Diesel engine paired with a 4x4 drivetrain, offering unmatched towing power. Perfect for Eastern Ontario drivers, this Sierra balances bold performance with upscale features like a 12-speaker Bose® sound system, Apple CarPlay®/Android Auto™ compatibility, and premium navigation to keep you connected and entertained.

Exterior Design

The Sierra 2500HD Denali Ultimate stands out with a commanding design and functionality to match. Its LED headlights, 20-inch aluminum wheels, and innovative MultiPro™ Tailgate add style and utility, while power-retractable assist steps make it easy to access the cabin, even when towing. The integrated trailer brake controller is invaluable for hauling equipment, ensuring this truck is ready for the work and lifestyle needs of Cornwall and beyond.

Luxurious Interior

Step into a refined interior with premium leather seats and 16-way power-adjustable front seats offering personalized comfort. The dual-zone climate control and panoramic sunroof create a relaxing cabin environment, while the rear-seat comfort package ensures all passengers enjoy the journey. This Sierra’s interior blends rugged durability with upscale luxury, making it perfect for both work and play in Stormont, Dundas, and Glengarry.

Advanced Safety and Technology

Equipped with top-tier safety technology, the 2025 Sierra Denali Ultimate has HD Surround Vision, Forward Collision Alert, and Adaptive Cruise Control. Rear Cross Traffic Alert and Lane Departure Warning add further peace of mind on the road, especially when navigating Cornwall's busy streets or Ontario’s open highways. This truck has the technology to make every drive as safe as it is powerful.

Outshining the Competition

Against competitors like the Ford F-250 and Ram 2500, the Sierra 2500HD Denali Ultimate shines with exclusive features like the MultiPro™ Tailgate and advanced 12-speaker Bose® audio. Combined with wireless charging, heated and ventilated seats, and superior navigation, this GMC truck offers a driving experience that’s as luxurious as it is capable, setting it apart in both comfort and innovation.

Why Choose Seaway GM?

Seaway GM has been a trusted name in Cornwall and surrounding areas for over 35 years, offering a customer-centered experience across all departments. From seamless financing solutions to skilled service technicians, Seaway GM ensures your experience is exceptional from start to finish​.

Take the Sierra 2500HD Denali Ultimate for a Spin

Imagine commanding the road in this powerful, luxurious Sierra, turning heads across Cornwall and beyond. But reading is only the start—schedule a test drive today at Seaway GM and experience the ultimate in heavy-duty luxury firsthand!


Body Style: Pickup
Engine: 6.6L 8cyl
Mileage: 10 km
Exterior Colour: White
Interior Colour: Brown
Fuel Type: Diesel
Transmission: Automatic
Drivetrain: 4x4
Stock #: 25047
VIN: 1GT1UXEY5SF144711
Trim Details: Denali Ultimate 4x4 Crew Cab 6.75 ft. box

Universal Home Remote
2 Charge-Only Rear USB Ports
2 USB Ports Located on 1st row console.
X31 Off-Road Package Includes twin-tube Rancho shocks.Hill Descent Control Off-Road Suspension Includes twin-tube shocks. Skid Plates Protect the oil pan, front axle and transfer case.
GVWR: 4,490 kgs (9,900 lbs) Lowers GVWR and significantly decreases towing and/or payload ratings.
Power Sliding Rear Window w/Defogger
Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability.
SiriusXM w/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.
Power Sunroof
Trailer Cam Provisions & Trailer Viewing Software
Spray-On Pickup Bedliner w/GMC Logo Does not include spray-on liner on tailgate due to black composite inner panel.
Front Bucket Seats 16-Way Power Driver Seat Adjuster w/Lumbar Includes massage. 16-Way Power Passenger Seat Adjuster w/Lumbar Includes massage. Driver Memory Recalls driver presets for power driver seat and outside mirrors.
OnStar Services Capable See onstar.ca for details and limitations. Services vary by model. Service plan required.
Transmission: Allison 10-Speed Automatic (MGM)
HD Surround Vision Provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.

Technology Package Inside Rearview Auto-Dimming Rear Camera Mirror Includes full camera display. Multicolour 15" Diagonal Head-Up Display
Remote Vehicle Starter System
3.42 Rear Axle Ratio
2-Speed Active Transfer Case Electronic Autotrac with push button control.
Ultrasonic Front & Rear Park Assist
LED Cargo Area Lighting Located in cargo bed activated with switch on centre switch bank or key fob.
Bose Premium Series 12-Speaker System Includes CenterPoint, Richbass woofer and AudioPilot.
Power Front Passenger Windows w/Express Up/Down
Signature Denali Ultimate Grille in Vadar Chrome Includes high gloss black surround.
Keyless Open & Start Includes remote keyless entry.
Ventilated Driver & Front Passenger Seats
ProGrade Trailering System Hitch Guidance w/Hitch View Includes image adjustment and pan/zoom/tilt. In-Vehicle Trailering System App 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 monitoring sensors are installed.
Tires: LT275/65R20 AT BW
Heated 2nd Row Outboard Seats


Axle RatiosMSRP
3.42 Rear Axle Ratio$00 $

Body
Pickup Box - Includes bed assist step.$00 $

Engine
Engine: Duramax 6.6L Turbo-Diesel V8 - B20-Diesel compatible. Dual Heavy-Duty 70 Amp Battery Includes 730 cold-cranking amps, maintenance-free with rundown protection and retained accessory power.$00 $

Engine Equipment
Dual 220-Amps Primary/170-Amps Aux Alternators$265265 $

Exterior Ornamentation
Front License Plate Mount BC/MB/ON - Included for vehicles shipped to British Columbia, Manitoba and Ontario.$00 $
Black Front & Rear Moulded Splash Guards (LPO) - Dealer installed.$300300 $

GVWR/Payload
GVWR: 4,490 kgs (9,900 lbs) - Lowers GVWR and significantly decreases towing and/or payload ratings.$00 $

Marketing Option Package
Preferred Equipment Group 5SB - Engine: Duramax 6.6L Turbo-Diesel V8 B20-Diesel compatible. Dual Heavy-Duty 70 Amp Battery Includes 730 cold-cranking amps, maintenance-free with rundown protection and retained accessory power. Transmission: Allison 10-Speed Automatic (MGM) GVWR: 4,490 kgs (9,900 lbs) Lowers GVWR and significantly decreases towing and/or payload ratings. 3.42 Rear Axle Ratio Front Bucket Seats 16-Way Power Driver Seat Adjuster w/Lumbar Includes massage. 16-Way Power Passenger Seat Adjuster w/Lumbar Includes massage. Driver Memory Recalls driver presets for power driver seat and outside mirrors. Full Grain Leather Seat Trim Wheels: 20" Ultra-Bright Machined Aluminum (50.8 cm). Includes gloss black inserts and black painted pockets. Tires: LT275/65R20 AT BW Radio: AM/FM w/Premium GMC Infotainment System Includes 13.4" diagonal multicolour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones. Sierra HD Pro Safety Forward Collision Alert Following Distance Indicator Front Pedestrian Braking IntelliBeam Automatic High Beam On/Off Lane Departure Warning 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. Automatic Emergency Braking Technology Package Inside Rearview Auto-Dimming Rear Camera Mirror Includes full camera display. Multicolour 15" Diagonal Head-Up Display Safety Alert Seat Rear Cross Traffic Alert Trailer Side Blind Zone Alert Wireless Phone Projection For Apple CarPlay and Android Auto. Bose Premium Series 12-Speaker System Includes CenterPoint, Richbass woofer and AudioPilot. SiriusXM w/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. Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability. Electric Rear-Window Defogger Push Button Start Remote Vehicle Starter System Keyless Open & Start Includes remote keyless entry. OnStar Services Capable See onstar.ca for details and limitations. Services vary by model. Service plan required. 120-Volt Instrument Panel Power Outlet 400 watts shared with (KC9) bed mounted power outlet. 120-Volt Bed Mounted Power Outlet 400 watts shared with (KI4) instrument panel mounted power outlet. 2 Charge-Only Rear USB Ports 2 USB Ports Located on 1st row console. 2 Charge/Data USB Ports Inside Centre Console HD 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 w/2 Trailer Camera Provisions Includes camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen. Trailer Cam Provisions & Trailer Viewing Software Spray-On Pickup Bedliner w/GMC Logo Does not include spray-on liner on tailgate due to black composite inner panel. Heated Driver & Front Outboard Passenger Seats Ventilated Driver & Front Passenger Seats Heated 2nd Row Outboard Seats Deep-Tinted Glass Steering Wheel Audio Controls Signature Denali Ultimate Grille in Vadar Chrome Includes high gloss black surround. Manual Tilt-Wheel/Telescoping Steering Column Power Sunroof Unauthorized Entry Theft-Deterrent System Universal Home Remote LED Smoked Amber Roof Marker Lamps LED Cargo Area Lighting Located in cargo bed activated with switch on centre switch bank or key fob. Power Sliding Rear Window w/Defogger Power Front Passenger Windows w/Express Up/Down Wireless Charging Ultrasonic Front & Rear Park Assist Rear Wheelhouse Liners Front Rain-Sensing Wipers X31 Off-Road Package Includes twin-tube Rancho shocks. Hill Descent Control Skid Plates Protect the oil pan, front axle and transfer case. Off-Road Suspension Includes twin-tube shocks. ProGrade Trailering System Hitch Guidance w/Hitch View Includes image adjustment and pan/zoom/tilt. In-Vehicle Trailering System App 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 monitoring sensors are installed. Trailer 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 accessories. 2-Speed Active Transfer Case Electronic Autotrac with push button control.$00 $

Radio TypeMSRP
Radio: AM/FM w/Premium GMC Infotainment System - Includes 13.4" diagonal multicolour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.$00 $

Seat Type
Front Bucket Seats - 16-Way Power Driver Seat Adjuster w/Lumbar Includes massage. 16-Way Power Passenger Seat Adjuster w/Lumbar Includes massage. Driver Memory Recalls driver presets for power driver seat and outside mirrors.$00 $

Suspension Type
Off-Road Suspension - Includes twin-tube shocks.$00 $

Tire Type
Tires: LT275/65R20 AT BW$00 $

Trailering Equipment
Gooseneck/5th Wheel Prep Package - Hitch platform to accept gooseneck or 5th wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).$630630 $

Transmissions
Transmission: Allison 10-Speed Automatic (MGM)$00 $

Wheel Type
Wheels: 20" Ultra-Bright Machined Aluminum - (50.8 cm). Includes gloss black inserts and black painted pockets.$00 $

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Warranty Information Standard
Basic distance: 60,000 km
Basic months: 36 months
Basic warranty: 36 months/60,000km
Corrosion perforation warranty: 60 months/ unlimited distance
Drivetrain distance: 100,000 km
Drivetrain months: 60 months
Powertrain warranty: 60 months/100,000km
Roadside assistance coverage: 60 months/100,000km
Roadside distance: 100,000 km
Roadside months: 60 months

* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2025 GMC Sierra 2500HD Denali Ultimate 4x4 Crew Cab 6.75 ft. box may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.

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