2025 GMC Sierra 3500 HD 4WD Crew Cab Long Box Denali 
in Oshawa 

10 km
 Automatic
Ext: Black
Black
Int: Black
Black
Clearance
2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-1
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-1
    GMC Sierra-3500HD 2025 - Photo #1
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-2
    GMC Sierra-3500HD 2025 - Photo #2
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-3
    GMC Sierra-3500HD 2025 - Photo #3
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-4
    GMC Sierra-3500HD 2025 - Photo #4
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-5
    GMC Sierra-3500HD 2025 - Photo #5
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-6
    GMC Sierra-3500HD 2025 - Photo #6
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-7
    GMC Sierra-3500HD 2025 - Photo #7
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-8
    GMC Sierra-3500HD 2025 - Photo #8
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-9
    GMC Sierra-3500HD 2025 - Photo #9
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-10
    GMC Sierra-3500HD 2025 - Photo #10
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-11
    GMC Sierra-3500HD 2025 - Photo #11
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-12
    GMC Sierra-3500HD 2025 - Photo #12
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-13
    GMC Sierra-3500HD 2025 - Photo #13
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-14
    GMC Sierra-3500HD 2025 - Photo #14
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-15
    GMC Sierra-3500HD 2025 - Photo #15
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-16
    GMC Sierra-3500HD 2025 - Photo #16
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-17
    GMC Sierra-3500HD 2025 - Photo #17
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-18
    GMC Sierra-3500HD 2025 - Photo #18
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-19
    GMC Sierra-3500HD 2025 - Photo #19
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-20
    GMC Sierra-3500HD 2025 - Photo #20
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-21
    GMC Sierra-3500HD 2025 - Photo #21
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-22
    GMC Sierra-3500HD 2025 - Photo #22
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-23
    GMC Sierra-3500HD 2025 - Photo #23
  • 2025 GMC Sierra-3500HD new, Ext:Black, int:Black, 4WD Crew Cab Long Box Denali, 121828. Mills Motors Buick GMC. 250608-new-24
    GMC Sierra-3500HD 2025 - Photo #24
The amount shown reflects an estimate of the amount that you can expect to pay in Canadian dollars. Taxes are excluded (unless selected otherwise). Photos for illustration purposes only. While we strive to ensure that the information on this website is accurate, we recommend contacting us directly to verify details and obtain additional information about the vehicle, including confirmation of prices, colors, trims, options, and other specifications.

2025 GMC Sierra 3500 HD - Specifications 

City
Highway
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  • Model: Sierra 3500 HD
  • Trim Level: 4WD Crew Cab Long Box Denali
  • Category: Trucks
  • Exterior Colour: Black
  • Interior Colour: Black
  • Passengers: 4
  • Doors: 4
  • Kilometers: 10 km
  • Stock #: 250608-new
  • VIN: 1GT4UWEY3SF320534
  • See options
  • Drive train: Four-wheel drive
  • Transmission: Automatic
  • Fuel: Diesel
  • Truck bed length: 98"
  • Towing capacity up to: 9070kg
  • Engine: 6.6 L
  • Cylinders: V8
  • Price: 121,828

Key features of the 2025 GMC Sierra 3500 HD 

6.6L V8 Powerhouse

Robust 6.6L V8 engine delivers exceptional towing and hauling performance for heavy-duty tasks.

Denali Premium Luxury

Denali trim offers exclusive materials, advanced comfort, and refined cabin technology throughout.

Advanced Towing Tech

Innovative trailering features like cameras and controls make towing safer and easier.

Cutting-Edge Safety

Comprehensive safety suite including driver assists, collision alerts, and enhanced protection.

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

2025 GMC Sierra 3500 HD - Description 

2025 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali for sale

2025 GMC Sierra 3500 HD - Options 

2025 GMC Sierra 3500 HD - 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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While we strive to ensure that the information on this website is accurate, we recommend contacting us directly to verify details and obtain additional information about the vehicle, including confirmation of prices, colors, trims, options, and other specifications.
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