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2025 GMC Sierra 3500 Denali 
in Duncan 

12,500 km
 Automatic
Ext: Black Int: Black
Great Value
2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-1
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-1
    GMC Sierra-3500 2025 - Photo #1
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-2
    GMC Sierra-3500 2025 - Photo #2
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-3
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  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-10
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    GMC Sierra-3500 2025 - Photo #11
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    GMC Sierra-3500 2025 - Photo #12
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    GMC Sierra-3500 2025 - Photo #30
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    GMC Sierra-3500 2025 - Photo #33
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    GMC Sierra-3500 2025 - Photo #36
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    GMC Sierra-3500 2025 - Photo #37
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    GMC Sierra-3500 2025 - Photo #38
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    GMC Sierra-3500 2025 - Photo #39
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    GMC Sierra-3500 2025 - Photo #40
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    GMC Sierra-3500 2025 - Photo #41
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-42
    GMC Sierra-3500 2025 - Photo #42
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-43
    GMC Sierra-3500 2025 - Photo #43
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-44
    GMC Sierra-3500 2025 - Photo #44
  • 2025 GMC Sierra-3500 used pre-owned, Ext:Black, int:Black, Denali, 104990. Discovery Honda. B4402-45
    GMC Sierra-3500 2025 - Photo #45
Taxes and registration fees are excluded from the displayed price. Some data and prices are provided by a third party and we cannot guarantee their accuracy.

Vehicle History 

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2025 GMC Sierra 3500 - Specifications 

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  • Model: Sierra 3500
  • Trim Level: Denali
  • Category: Trucks
  • Exterior Colour: Black
  • Interior Colour: Black
  • Passengers: 5
  • Doors: 4
  • Kilometers: 12,500 km
  • Stock #: B4402
  • VIN: 1GT4UWEY7SF215205
  • See options
  • Drive train: Four-wheel drive
  • Transmission: Automatic
  • Fuel: Diesel
  • Engine: Turbocharged Diesel V8 6.6L/
  • Cylinders: 8
  • Price: 104,990

Key features of the 2025 GMC Sierra 3500 

Powerful 6.6L V8 Engine

Delivers exceptional towing and hauling with advanced 6.6L Duramax V8 diesel performance.

Denali Luxury Interior

Premium leather, authentic wood trim, and advanced comfort in a spacious Denali cabin.

Advanced Towing Tech

ProGrade Trailering System improves towing control with cameras and integrated guidance.

Comprehensive Safety Suite

Includes advanced safety features like lane departure, collision alert, and blind-spot monitoring.

The key features listed may depend on the trim, options, or equipment package.

2025 GMC Sierra 3500 - Description 

2025 GMC Sierra 3500HD Denali
2025 GMC Sierra 3500HD Denali -- Now Available at Discovery Honda in Duncan, BCExperience premium craftsmanship, heavy-duty capability, and advanced technology with the 2025 GMC Sierra 3500HD Denali, a top-tier truck engineered for drivers who demand exceptional towing performance and upscale comfort. Perfectly suited for Vancouver Island's diverse terrain---from construction sites and rural properties to towing equipment across the Island---the Sierra 3500HD Denali delivers uncompromising strength and refinement.Powerful Heavy-Duty PerformanceThe 2025 Sierra 3500HD Denali is built to handle the toughest jobs. Depending on configuration, it is typically equipped with either: A 6.6-litre V8 gasoline engine producing 401 horsepower and 464 lb-ft of torque OR A 6.6-litre Duramax Turbo-Diesel V8 delivering an impressive 470 horsepower and 975 lb-ft of torque Both engines are paired with an advanced 10-speed Allison automatic transmission for smooth, responsive power delivery. With the proper configuration, the 2025 Sierra 3500HD Denali is capable of towing well over 30,000 lbs, making it ideal for hauling equipment, trailers, RVs, and commercial loads across Vancouver Island.The Sierra's robust suspension and high-strength frame ensure confident stability, whether navigating Duncan city streets, rural Cowichan Valley roads, or towing up coastal grades.Denali Luxury & Distinctive DesignThe Denali trim represents the highest level of GMC luxury, combining rugged strength with premium refinement. Signature features typically include: Chrome Denali grille and exterior accents 20-inch machined aluminum wheels LED headlights and signature LED lighting Power-folding and heated trailering mirrors Spray-on bedliner and advanced cargo management options The Denali cabin offers first-class comfort and craftsmanship, featuring: Premium perforated leather seating Heated and ventilated front seats Heated rear seats Real wood and aluminum interior trim Large centre console storage Premium Denali badging throughout This is a truck designed to work hard while providing exceptional comfort and style.Next-Generation TechnologyThe 2025 Sierra 3500HD Denali is equipped with advanced connectivity and tech features that support both daily driving and heavy-duty tasks: 13.4-inch touchscreen infotainment system 12.3-inch digital driver information display Wireless Apple CarPlay and Android Auto Google Built-In compatibility Head-up display Premium Bose sound system MultiPro Tailgate with multiple loading and working configurations For towing, GMC provides advanced tools such as: Transparent Trailer View Hitch Guidance with Hitch View Bed View Camera Trailer Side Blind Zone Alert Integrated trailer brake controller These smart technologies make towing easier, safer, and more precise.Advanced Safety FeaturesThe 2025 Sierra 3500HD Denali includes a robust suite of safety and driver-assist technologies to enhance confidence on all road conditions: Forward Collision Alert Front and Rear Parking Assist Lane Departure Warning Automatic Emergency Braking Safety Alert Seat Adaptive Cruise Control (available on diesel models) HD Surround Vision camera system These features support safer navigation on highways, work sites, and tight parking situations across the Island.Built for Vancouver Island Work & LifestyleFrom towing equipment around Duncan to hauling boats to Lake Cowichan or navigating rural acreage roads, the 2025 GMC Sierra 3500HD Denali is engineered for island life. Its premium cabin, cutting-edge technology, and immense power make it a perfect fit for professionals, contractors, farmers, and anyone who needs a high-capacity truck without sacrificing comfort.DISCLAIMER: Vehicle pricing, i

2025 GMC Sierra 3500 - Options 

2025 GMC Sierra 3500 - Technical Specifications 

  • Fuel:
  • Fuel efficiency:  
    • City: Liters / 100 Km
    • Highway: Liters / 100 Km
  • Horse Power: Hp at Rpm
  • Torque: Lbs at Rpm
  • Trunk space: Liters
  • Vehicle weight: Kg
  • Length: mm
  • Width: mm
  • Height: mm
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Although we endeavour to ensure that the information contained on this website is accurate, the website provider and the dealership are not responsible for any errors or omissions that may occur from time to time. Some data and prices are provided by a third-party and we cannot guarantee their accuracy. Please contact your dealer for verification or if you would like more information on this vehicle.
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