http://schema.org/NewCondition 2025 GMC 1GT1UREY0SF247644 Denali

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

Price

$121,464

121 464 $


Final Price

Price does not include taxes and licensing fees.

$121,464

Term (mo.)

Frequency

Price

$121,464

121 464 $


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

$121,464

121 464 $


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 – Power Prestige & Precision in One Rugged Package

If you're shopping for a premium heavy-duty pickup that blends brute diesel power with cutting-edge luxury and technology, look no further than this 2025 GMC Sierra 2500HD Denali, available now at Seaway GM in Cornwall, Ontario. Purpose-built for demanding jobs and high expectations, this fully loaded Denali is powered by the legendary 6.6L Duramax® Turbo-Diesel V8 paired with an Allison® 10-speed automatic transmission—engineered for massive torque, confident towing, and long-haul efficiency.

Whether you’re hauling heavy equipment in South Stormont, trailering a boat to the St. Lawrence in Ingleside, or just want to make an impression at the job site in Morrisburg, this Sierra 2500HD Denali is your go-to ride.


💎 Bold Looks with Intelligent Utility

The Sierra 2500HD Denali doesn’t just work hard—it looks good doing it. With its signature Denali chrome grille, sleek LED animated projector headlamps, and 20-inch Ultra-Bright machined aluminum wheels, this truck turns heads at every stoplight from Alexandria to Long Sault. But it’s not all for show—the MultiPro™ Tailgate offers six versatile functions to make cargo access a breeze, and the spray-on bedliner ensures your truck bed stands up to whatever the job (or weekend adventure) throws at it.


🛋️ Luxurious Comfort that Works as Hard as You Do

Step inside and discover a cabin designed to impress. The Denali-exclusive interior features authentic open-pore wood and patterned aluminum trim, along with forge-perforated leather seats that are both heated and ventilated for year-round comfort. The 12-way power-adjustable front seats, dual-zone automatic climate control, and Keyless Open and Start provide the premium comfort you’d expect in a high-end SUV—wrapped up in a rugged HD truck.


🛡️ Safety Meets Cutting-Edge Technology

GMC didn’t cut corners on tech or safety. Whether you're backing into tight spaces in North Dundas or towing through Maxville, the Sierra 2500HD Denali has your back. With up to 14 available camera views, including a Transparent Trailer View, navigating even the tightest job sites is stress-free. Standard features like Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking, and Adaptive Cruise Control with trailering mean peace of mind for you and your passengers, no matter the road ahead.


🆚 Outclassing the Competition

Looking at heavy-duty contenders like the Ford F-250 Platinum or Ram 2500 Limited? They’re worthy trucks—but the Sierra 2500HD Denali offers an unrivaled blend of luxury, functionality, and technology. The 13.4-inch touchscreen, 12-speaker Bose® Premium Audio, wireless Apple CarPlay® & Android Auto™, Remote Start, and wireless phone charging come together to make every commute from Chesterville to Winchester an experience worth looking forward to.


🚗 Why Buy from Seaway GM?

At Seaway Chevrolet Buick GMC Ltd., we’ve been serving Cornwall and the surrounding SDG counties for over three decades. We’re proud to be your one-stop shop for the full GM lineup—whether it’s sales, service, or financing, our team is passionate, experienced, and committed to getting you into the right vehicle, the right way. With trusted GM-certified technicians, expert finance specialists, and a long-standing reputation for excellence, we make buying your next truck simple and enjoyable.


🌄 Picture Yourself Behind the Wheel

Just imagine it—you in the driver’s seat of this 2025 Sierra 2500HD Denali, the deep diesel rumble underfoot, rolling through the Eastern Ontario backroads or pulling confidently onto the 401. Whether it’s for work, family, or both, this truck is more than capable—it’s Denali strong. But reading about it is one thing… experiencing it is everything.


📅 Book Your Test Drive Today!

Come see this powerhouse in person at Seaway GM in Cornwall. We proudly serve truck buyers across Stormont, Dundas, and Glengarry, and we’re ready to help you make this Sierra 2500HD Denali yours. Click below to book your test drive today—let’s get you behind the wheel!


Body Style: Pickup
Engine: 6.6L 8cyl
Mileage: 10 km
Exterior Colour: White
Interior Colour: Black
Fuel Type: Diesel
Transmission: Automatic
Drivetrain: 4x4
Stock #: 25273
VIN: 1GT1UREY0SF247644
Trim Details: Denali 4x4 Crew Cab 6.75 ft. box

Multicolour 15" Diagonal Head-Up Display

Inside Rearview Auto-Dimming Rear Camera Mirror Includes full camera display.


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. Capped Fuel Fill 220-Amp Alternator Dual Heavy-Duty 70 Amp Battery Includes 730 cold-cranking amps, maintenance-free with rundown protection and retained accessory power. Winter Grille Cover Exhaust Brake Engine Block Heater 3.42 Rear Axle Ratio Transmission: Allison 10-Speed Automatic (MGM)$10,99510995 $

Engine Equipment
Engine Block Heater$195195 $
Dual 220-Amps Primary/170-Amps Aux Alternators$265265 $

Exterior Ornamentation
Power-Retractable Assist Steps - Includes LED perimeter lighting and bright accent.$1,7251725 $
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 5SA - Engine: 6.6L V8 w/Direct Injection & VVT Heavy-Duty 80 Amp Battery Includes 720 cold-cranking amps, maintenance-free with rundown protection and retained accessory power. GVWR: 4,921 kgs (10,850 lbs) Transmission: Allison 10-Speed Automatic 3.73 Rear Axle Ratio Front Bucket Seats 12-Way Power Driver Seat Adjuster w/Lumbar 12-Way Power Passenger Seat Adjuster w/Lumbar Includes massage. Driver Memory Recalls driver presets for power driver seat and outside mirrors. Forge Perforated Leather-Appointed Front Seat Trim Wheels: 20" Ultra Bright Machined (50.8 cm). Includes bright chrome 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 Safety Alert Seat Rear Cross Traffic Alert Trailer Side Blind Zone Alert Wireless Phone Projection For Apple CarPlay and Android Auto. Bose Premium 7-Speaker Sound System Includes Richbass woofer. 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 Chrome Denali Grille Manual Tilt-Wheel/Telescoping Steering Column 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. Polished Exhaust Tip (LPO) Dealer installed. 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. 2-Speed Active Transfer Case Electronic Autotrac with push button control.$00 $

Option Group
Technology Package - Inside Rearview Auto-Dimming Rear Camera Mirror Includes full camera display. Multicolour 15" Diagonal Head-Up Display$1,5401540 $

Denali Reserve Package - Technology Package Inside Rearview Auto-Dimming Rear Camera Mirror Includes full camera display. Multicolour 15" Diagonal Head-Up Display Power Sunroof$2,3652365 $

Radio Type
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 - 12-Way Power Driver Seat Adjuster w/Lumbar 12-Way Power Passenger Seat Adjuster w/Lumbar Includes massage. Driver Memory Recalls driver presets for power driver seat and outside mirrors.$00 $

Sun/Moon Roof
Power Sunroof$1,3251325 $

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 - (50.8 cm). Includes bright chrome 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

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* 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 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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