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New & Used 2026 GMC Sierra 3500HD for Sale near Ajax, ON

68 results
Ajax, ON
2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD Barrie Kia

2025 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

14,060 kilometres

$110,976

Good Deal
Barrie, ON
77 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:
Titanium
Fuel type:
Biodiesel
Interior colour:
Alpine Umber
Transmission:
Automatic
Mileage:
14,060
Stock number:
1581BKU
VIN:
1GT4UYEY7SF232632

Sponsored

2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2025 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

14,060 kilometres

$110,976

Good Deal
Barrie, ON
77 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:
Titanium
Fuel type:
Biodiesel
Interior colour:
Alpine Umber
Transmission:
Automatic
Mileage:
14,060
Stock number:
1581BKU
VIN:
1GT4UYEY7SF232632

2025 GMC Sierra 3500HD Denali Crew Cab 4WD

2025 GMC Sierra 3500HD

Denali Crew Cab 4WD

8,046 kilometres

$111,520

Fair Deal
Peterborough, ON
71 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:
Gray
Fuel type:
Gasoline
Interior colour:
Black Leather
Transmission:
Automatic
Mileage:
8,046
Stock number:
26028A
VIN:
1GT4UWE72SF144177

2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

Negotiable

Cobourg, ON
69 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:
Unknown
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
3
Stock number:
T18903
VIN:
1GT4UYEY8SF218903

2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$133,747

Barrie, ON
77 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:
1,110
Stock number:
S00792
VIN:
1GT4UYEY6SF172519

2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2025 GMC Sierra 3500HD

New car

$126,667

Niagara Falls, ON
81 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
Transmission:
Automatic
Mileage:
3
Stock number:
433B11172
VIN:
1GT4UYEY2SF324182

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$122,367

Barrie, ON
77 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

2025 GMC Sierra 3500HD

New car

$117,326

Barrie, ON
77 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:
SF330306
VIN:
1GT4UVEY4SF330306

Preparing for a close up...

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2025 GMC Sierra 3500HD

New car

$90,965

Milton, ON
77 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Transmission:
Automatic
Mileage:
65
Stock number:
332493
VIN:
1GT3USEY3SF332493

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$90,965

Milton, ON
77 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Black
Transmission:
Automatic
Mileage:
65
Stock number:
332933
VIN:
1GT3USEY5SF332933

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
48 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

$109,495

Cobourg, ON
69 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
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
8
Stock number:
T47201
VIN:
1GT4UWEY1SF347201

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$106,495

Cobourg, ON
69 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:
Summit White
Fuel type:
Biodiesel
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
8
Stock number:
T47806
VIN:
1GT4UWEY2SF347806

Preparing for a close up...

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2025 GMC Sierra 3500HD

SLE Crew Cab 4WD

$103,841

No Price Analysis
Milton, ON
77 km away
Year:
2025
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
White
Interior colour:
Black
Transmission:
Automatic
Stock number:
348874D
VIN:
1GT4UTEY4SF348874

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
48 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

2025 GMC Sierra 3500HD

New car

$123,115

Etobicoke, ON
48 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
48 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

$124,575

Milton, ON
77 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

2025 GMC Sierra 3500HD

New car

$134,767

Orillia, ON
92 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
Transmission:
Automatic
Mileage:
15
Stock number:
SF369297
VIN:
1GT4UYEY2SF369297

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

New car

$134,767

Orillia, ON
92 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:
5
Stock number:
SF369295
VIN:
1GT4UYEY9SF369295

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$96,983

Barrie, ON
77 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:
Gray
Fuel type:
Biodiesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
90
Stock number:
TF100062
VIN:
1GT4UTEY6TF100062

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$135,556

Barrie, ON
77 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:
TF118134
VIN:
1GT4UYEY0TF118134

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$126,122

Barrie, ON
77 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. / Used Cars
  3. / GMC Sierra 3500HD
  4. / 2026
  5. / Ontario
  6. / Ajax
FAQs

2026 GMC Sierra 3500HD FAQs

How many 2026 GMC Sierra 3500HD vehicles in Ajax, ON have no reported accidents or damage?

4 out of 4 for sale near Ajax, ON have no reported accidents or damage.

What fuel types are available?

Biodiesel, Gasoline engines are available.

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