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New GMC Sierra 3500HD Denali for Sale near Thornhill, ON

29 results
North York, ON
2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$110,589

Mississauga, ON
25 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior colour:
Sterling Metallic
Fuel type:
Gasoline
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
11
Stock number:
SF320165
VIN:
1GT4UWE7XSF320165

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$113,058

Oshawa, ON
46 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
STERLING METALLIC
Transmission:
Automatic
Mileage:
72
Stock number:
250649-new
VIN:
1GT4UWEY6SF331155

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$116,149

Oshawa, ON
46 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
ONYX BLACK
Transmission:
Automatic
Mileage:
10
Stock number:
250551-new
VIN:
1GT4UWEY7SF314686

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$116,328

Oshawa, ON
46 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
250608-new
VIN:
1GT4UWEY3SF320534

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$119,614

Burlington, ON
59 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Onyx Black
Fuel type:
Biodiesel
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
12
Stock number:
268877
VIN:
1GT4UWEYXTF151095

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$119,614

Burlington, ON
59 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Onyx Black
Fuel type:
Biodiesel
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
14
Stock number:
268875
VIN:
1GT4UWEY2TF151110

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$120,988

Oshawa, ON
46 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
ONYX BLACK
Transmission:
Automatic
Mileage:
0
VIN:
1GT4UWEY3TF179613

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$122,367

Barrie, ON
65 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock number:
SF330680
VIN:
1GT4UWEY9SF330680

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$122,446

Barrie, ON
65 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock number:
TF122329
VIN:
1GT4UWEY7TF122329

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
17 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
WG347099
VIN:
1GT4UWEY3SF347099

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
17 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
White
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
WG352967
VIN:
1GT4UWEY7SF352967

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
17 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
White
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
WG352952
VIN:
1GT4UWEY5SF352952

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
17 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
3,058
Stock number:
WG352909
VIN:
1GT4UWEY4SF352909

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$123,445

Etobicoke, ON
17 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
WG134196
VIN:
1GT4UWEY8TF134196

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$123,768

Cambridge, ON
85 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Black
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
260288
VIN:
1GT4UWEY7TF161826

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,804

Mississauga, ON
25 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Sterling Metallic
Fuel type:
Biodiesel
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
280
Stock number:
SF364509
VIN:
1GT4UWEY4SF364509

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$123,885

Mississauga, ON
34 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Onyx Black
Fuel type:
Biodiesel
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
15
Stock number:
TF115790
VIN:
1GT4UWEY2TF115790

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$124,210

Mississauga, ON
34 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Onyx Black
Fuel type:
Biodiesel
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
15
Stock number:
TF153824
VIN:
1GT4UWEY7TF153824

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$124,575

Milton, ON
47 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Black
Transmission:
Automatic
Mileage:
65
Stock number:
358593
VIN:
1GT4UWEY0SF358593

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$126,122

Barrie, ON
65 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
White
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock number:
TF122726
VIN:
1GT4UWEY6TF122726

  1. Home
  2. / New Cars
  3. / GMC Sierra 3500HD
  4. / Denali
  5. / Ontario
  6. / Thornhill
FAQs

GMC Sierra 3500HD Denali FAQs

What fuel types are available?

Biodiesel, Gasoline engines are available.

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