Used Gray GMC Sierra 2500HD for Sale in Unionville, ON

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33 vehicles found
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Brown (Tan)
Transmission:
Automatic
Mileage:
482
Stock #:
F213001
VIN:
1GT4UXEY4TF213001
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$6,500

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Newmarket, ON
27 km away

New car

$125,784

$119,284

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
10
Stock #:
TF327418
VIN:
1GT4UZEYXTF327418
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

AT4X Crew Cab 4WD

Richmond Hill, ON
14 km away

New car

$122,696

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock #:
TF378755
VIN:
1GT4UREY8TF378755
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

Barrie, ON
61 km away

New car

$105,071

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
14
Stock #:
GCBT1009
VIN:
1GT4UXEY9TF409368
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Grimsby, ON
80 km away

New car

$121,351

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock #:
TF378692
VIN:
1GT4UPEY4TF378692
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

Barrie, ON
61 km away

New car

$103,420

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock #:
TF443932
VIN:
1GT4UXEY6TF443932
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Barrie, ON
61 km away

New car

$118,193

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Brown
Transmission:
Automatic
Mileage:
90
Stock #:
TF443903
VIN:
1GT4UXEYXTF443903
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Barrie, ON
61 km away

New car

$120,151

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Brown
Transmission:
Automatic
Mileage:
90
Stock #:
TF443755
VIN:
1GT4UXEYXTF443755
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Barrie, ON
61 km away

New car

$118,501

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
90
Stock #:
TF443832
VIN:
1GT4UXEY2TF443832
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Barrie, ON
61 km away

New car

$120,784

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
5
Stock #:
TF122421
VIN:
1GT4UREY4TF122421
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$9,500

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

Home delivery from Belleville, ON
Price includes $311 shipping

New car

$117,980

$108,791

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
10
Stock #:
260602
VIN:
1GT5UMEY0TF333137
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLE Double Cab 4WD

Home delivery from Windsor, ON
Price includes $716 shipping

New car

$102,994

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
61754
VIN:
1GT4UMEY3TF350168
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLE Crew Cab 4WD

Home delivery from Sudbury, ON
Price includes $161 shipping

New car

$95,565

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
10
Stock #:
260645
VIN:
1GT4UPEY5TF350786
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

Home delivery from Windsor, ON
Price includes $716 shipping

New car

$119,259

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
10
Stock #:
260649
VIN:
1GT4UNEY5TF355233
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLT Crew Cab 4WD

Home delivery from Windsor, ON
Price includes $716 shipping

New car

$114,008

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
10
Stock #:
461704
VIN:
1GT4UREY7TF356942
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,500

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

Home delivery from Regina, SK
Price includes $3,066 shipping

New car

$108,722

$109,288

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
5
Stock #:
TF368375
VIN:
1GT5ULE72TF368375
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Pro Double Cab 4WD

Home delivery from Belleville, ON
Price includes $311 shipping

New car

$78,291

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
5
Stock #:
TF395144
VIN:
1GT4UREY9TF395144
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$9,500

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

Home delivery from Belleville, ON
Price includes $311 shipping

New car

$126,933

$117,744

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior colour:
Gray
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
10
Stock #:
461985
VIN:
1GT4UXEY4TF411268
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

Home delivery from Regina, SK
Price includes $3,066 shipping

New car

$125,768

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
5
Stock #:
462010
VIN:
1GT4UPEY4TF424005
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,500

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

Home delivery from Regina, SK
Price includes $3,066 shipping

New car

$110,523

$111,089