CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
  • Sell
    • Sell my car
    • Car values
  • Research
    • Test drive reviews
    • Price trends
    • Compare cars
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

New GMC Sierra 3500HD Denali for Sale near L6H

34 results
Oakville, ON
2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$105,112

Mississauga, ON
18 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:
STERLING METALLIC
Transmission:
Automatic
Mileage:
11
Stock number:
SF320165
VIN:
1GT4UWE7XSF320165

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$105,112

Mississauga, ON
18 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:
ONYX BLACK
Fuel type:
Gasoline
Interior colour:
ONYX BLACK
Transmission:
Automatic
Mileage:
15
Stock number:
SF320224
VIN:
1GT4UWE70SF320224

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$106,558

Oshawa, ON
83 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
Transmission:
Automatic
Mileage:
72
Stock number:
250649-new
VIN:
1GT4UWEY6SF331155

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$109,649

Oshawa, ON
83 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:
ONYX BLACK
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
10
Stock number:
250551-new
VIN:
1GT4UWEY7SF314686

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$110,126

Mississauga, ON
14 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior colour:
Onyx Black
Fuel type:
Gasoline
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
15
Stock number:
TF226029
VIN:
1GT4UWE71TF226029

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$110,126

Mississauga, ON
14 km away
Year:
2026
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:
15
Stock number:
TF226122
VIN:
1GT4UWE72TF226122

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$111,256

Woodbridge, ON
36 km away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior colour:
Black
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
51
Stock number:
633006
VIN:
1GT4UWE77TF250609

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$115,368

Cambridge, ON
51 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

2026 GMC Sierra 3500HD

New car

$117,383

Georgetown, ON
25 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
184
Stock number:
43144
VIN:
1GT4UWEY4TF257249

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$117,588

Oshawa, ON
83 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
Transmission:
Automatic
Mileage:
12
Stock number:
260311-new
VIN:
1GT4UWEY3TF179613

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$118,310

Barrie, ON
95 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

$119,525

Barrie, ON
95 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

2026 GMC Sierra 3500HD

New car

$120,413

Niagara Falls, ON
64 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
433B12490
VIN:
1GT4UWEY2TF256004

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$120,923

Georgetown, ON
25 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
296
Stock number:
43126
VIN:
1GT4UWEY7TF257441

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$121,658

Aurora, ON
62 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
Transmission:
Automatic
Mileage:
10
Stock number:
2769B-new
VIN:
1GT4UWEY9TF260745

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$121,658

Aurora, ON
62 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
Transmission:
Automatic
Mileage:
35
Stock number:
2770B-new
VIN:
1GT4UWEY1TF261114

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$123,309

Burlington, 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:
Onyx Black
Fuel type:
Biodiesel
Interior colour:
JET BLACK
Transmission:
Automatic
Mileage:
14
Stock number:
268875
VIN:
1GT4UWEY2TF151110

  1. Home
  2. / New Cars
  3. / GMC Sierra 3500HD
  4. / Denali
  5. / Ontario
  6. / L6H
FAQs

GMC Sierra 3500HD Denali FAQs

What fuel types are available?

Biodiesel, Flex Fuel Vehicle engines are available.

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.