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2025 GMC Sierra 3500HD
in Oshawa

The amount shown reflects an estimate of the amount that you can expect to pay in Canadian dollars and includes freight and PDI. Taxes are excluded (unless selected otherwise). Photos represent the model offered but may vary slightly in color, options, or features. 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.
Drivetrain
Engine
Transmission
-
Fuel Type
Gasoline
 
Estimated Fuel Economy
for the 2025 GMC Sierra 3500HD
City
-
Highway
-
Combined
-
Actual mileage may vary with options, driving conditions, driving habits, and vehicle's condition.
Our 2025 GMC Sierra 3500HD in stock!
  • GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250393-NEW
    VIN: 1GT4UWEY7SF269393
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    113,183
    +HST & Licenseswas 125,443+HST & Licenses
    10 KM. Auto., Ext: Onyx Black, Int: Jet Black
    Stock #: 250393-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Onyx Black
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    369 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250417-NEW
    VIN: 1GT4UWE7XSF274434
    10 KM. Auto., Ext: Downpour Metallic, Int: Atmosphere/Brownstone
    Stock #: 250417-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Gas
    Category: Trucks
    Exterior Colour: Downpour Metallic
    Interior Colour: Atmosphere/Brownstone
    Doors: 4
    Financing 84 months
    360 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250608-NEW
    VIN: 1GT4UWEY3SF320534
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    112,497
    +HST & Licenseswas 124,828+HST & Licenses
    10 KM. Auto., Ext: Onyx Black, Int: Jet Black
    Stock #: 250608-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Onyx Black
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    366 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250649-NEW
    VIN: 1GT4UWEY6SF331155
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    109,619
    +HST & Licenseswas 121,558+HST & Licenses
    72 KM. Auto., Ext: Sterling Metallic, Int: Jet Black
    Stock #: 250649-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Sterling Metallic
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    357 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • New arrivals
    GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250659-NEW
    VIN: 1GT4UWEYXSF331515
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    113,284
    +HST & Licenseswas 125,643+HST & Licenses
    10 KM. Auto., Ext: Sterling Metallic, Int: Jet Black
    Stock #: 250659-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Sterling Metallic
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    369 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • New arrivals
    GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250660-NEW
    VIN: 1GT4UWEY7SF333156
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    111,766
    +HST & Licenseswas 123,918+HST & Licenses
    12 KM. Auto., Ext: Onyx Black, Int: Jet Black
    Stock #: 250660-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Onyx Black
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    364 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • New arrivals
    GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali 2025
    Stock: 250661-NEW
    VIN: 1GT4UWEY3SF333042
    GMC 2025 Sierra 3500 HD 4WD Crew Cab Standard Box Denali in Oshawa
    113,398
    +HST & Licenseswas 125,828+HST & Licenses
    12 KM. Auto., Ext: Summit White, Int: Jet Black
    Stock #: 250661-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Summit White
    Interior Colour: Jet Black
    Doors: 4
    Financing 84 months
    369 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • New arrivals
    GMC Sierra 3500 Denali 2025
    Stock: 250551-NEW
    VIN: 1GT4UWEY7SF314686
    10 KM. 10-Speed Auto., Ext: Onyx Black, Int: Atmosphere/Brownstone
    Stock #: 250551-NEW
    Engine: DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBL
    Cylinders: 8
    Transmission: 10-Speed Auto.
    Drive train: Four-wheel drive
    Category: Trucks
    Exterior Colour: Onyx Black
    Interior Colour: Atmosphere/Brownstone
    Financing 84 months
    406 @ 4.99%
    +HST & Licenses/wk 0 cash down
  • Clearance
    GMC Sierra 3500 HD 4WD Crew Cab Standard Box Denali Ultimate 2025
    Stock: 250382-NEW
    VIN: 1GT4UYEYXSF128040
    75 KM. Auto., Ext: Onyx Black, Int: Alpine Umber
    Stock #: 250382-NEW
    Engine: 6.6 L
    Cylinders: V8
    Transmission: Auto.
    Drive train: Four-wheel drive
    Fuel: Diesel
    Category: Trucks
    Exterior Colour: Onyx Black
    Interior Colour: Alpine Umber
    Doors: 4
    Financing 84 months
    430 @ 4.99%
    +HST & Licenses/wk 0 cash down
Indemnification clause
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 represent the model offered but may vary slightly in color, options, or features. 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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Build & Price Your 2025 GMC Sierra 3500HD Pro Now!
You can build & price your own 2025 GMC Sierra 3500HD including the style, color & options to get an exact price, with our promotions and rebates and availability in stock.
starting at $70,499 +HST & Licenses
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