Used Gray GMC for Sale in Thornhill, ON

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322 vehicles found
Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
37,982
Stock #:
26T318A
VIN:
3GTUUEE86SG161369
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Robinson Auto Group

Sponsored by Robinson Auto Group

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

37,982 km

Guelph, ON
78 km away
Fair Deal
Manufacturer certified

$64,495

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
155,173
Stock #:
261858A
VIN:
3GTU9FEL0MG455574
Gray 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2021 GMC Sierra 1500

Denali Crew Cab 4WD

155,173 km

Uxbridge, ON
41 km away
Fair Deal

$41,978

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
178,024
Stock #:
289464
VIN:
3GTU2MEC0JG289461
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLE Crew Cab 4WD

178,024 km

Pickering, ON
29 km away
Great Deal

$17,799

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
172,774
Stock #:
26-1056
VIN:
3GTU2NEC9JG425712
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

172,774 km

North York, ON
9 km away
Great Deal

$21,900

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Combined gas mileage:
13 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
45,766
Stock #:
B51663
VIN:
1GTRUAED8PZ203110
Gray 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 1500

SLE Double Cab 4WD

45,766 km

Scarborough, ON
12 km away
Good Deal

$38,990

Year:
2017
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
204,558
Stock #:
0008
VIN:
3GTU2MEC7HG225335
Gray 2017 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2017 GMC Sierra 1500

SLE Crew Cab 4WD

204,558 km

Hamilton, ON
68 km away
Good Deal

$16,999

Year:
2017
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
123,140
Stock #:
A4421
VIN:
3GTU2NEC3HG501130
Gray 2017 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2017 GMC Sierra 1500

SLT Crew Cab 4WD

123,140 km

Burlington, ON
57 km away
Great Deal

$24,595

Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
49,398
Stock #:
WB2028
VIN:
3GTUUCE86RG440867
Gray 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

49,398 km

Richmond Hill, ON
13 km away
Great Deal

$45,239

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
77,607
Stock #:
130909
VIN:
1GTU9CED2KZ416490
Gray 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 1500

Elevation Crew Cab 4WD

77,607 km

21 km away
Good Deal

$34,990

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
151,789
Stock #:
261300A
VIN:
1GTU9DED4KZ339515
Gray 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2019 GMC Sierra 1500

SLT Crew Cab 4WD

151,789 km

Cambridge, ON
86 km away
Fair Deal

$34,998

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
Gray
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
106,410
Stock #:
27496A
VIN:
3GTU9FEL7MG108176
Gray 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2021 GMC Sierra 1500

Denali Crew Cab 4WD

106,410 km

Stoney Creek, ON
67 km away
Fair Deal

$44,980

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
37,982
Stock #:
26T318A
VIN:
3GTUUEE86SG161369
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Robinson Auto Group

Sponsored by Robinson Auto Group

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

37,982 km

Guelph, ON
78 km away
Fair Deal
Manufacturer certified

$64,495

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
155,173
Stock #:
261858A
VIN:
3GTU9FEL0MG455574
Gray 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2021 GMC Sierra 1500

Denali Crew Cab 4WD

155,173 km

Uxbridge, ON
41 km away
Fair Deal

$41,978

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
178,024
Stock #:
289464
VIN:
3GTU2MEC0JG289461
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLE Crew Cab 4WD

178,024 km

Pickering, ON
29 km away
Great Deal

$17,799

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
172,774
Stock #:
26-1056
VIN:
3GTU2NEC9JG425712
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

172,774 km

North York, ON
9 km away
Great Deal

$21,900

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Combined gas mileage:
13 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
45,766
Stock #:
B51663
VIN:
1GTRUAED8PZ203110
Gray 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 1500

SLE Double Cab 4WD

45,766 km

Scarborough, ON
12 km away
Good Deal

$38,990

Year:
2017
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
204,558
Stock #:
0008
VIN:
3GTU2MEC7HG225335
Gray 2017 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2017 GMC Sierra 1500

SLE Crew Cab 4WD

204,558 km

Hamilton, ON
68 km away
Good Deal

$16,999

Year:
2017
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
123,140
Stock #:
A4421
VIN:
3GTU2NEC3HG501130
Gray 2017 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2017 GMC Sierra 1500

SLT Crew Cab 4WD

123,140 km

Burlington, ON
57 km away
Great Deal

$24,595

Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
49,398
Stock #:
WB2028
VIN:
3GTUUCE86RG440867
Gray 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

49,398 km

Richmond Hill, ON
13 km away
Great Deal

$45,239

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
77,607
Stock #:
130909
VIN:
1GTU9CED2KZ416490
Gray 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 1500

Elevation Crew Cab 4WD

77,607 km

21 km away
Good Deal

$34,990

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Gray
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
151,789
Stock #:
261300A
VIN:
1GTU9DED4KZ339515
Gray 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2019 GMC Sierra 1500

SLT Crew Cab 4WD

151,789 km

Cambridge, ON
86 km away
Fair Deal

$34,998

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
Gray
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
106,410
Stock #:
27496A
VIN:
3GTU9FEL7MG108176
Gray 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2021 GMC Sierra 1500

Denali Crew Cab 4WD

106,410 km

Stoney Creek, ON
67 km away
Fair Deal

$44,980