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New GMC Sierra 1500 SLT for Sale near Thomasburg, ON

65 results
Picton, ON
2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$70,804

Oshawa, ON
118 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
SUMMIT WHITE
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
0
VIN:
3GTUUDED9TG310687

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$77,501

Alliston, ON
196 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Silver
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
18375
VIN:
3GTUUDED2TG241079

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$77,547

Collingwood, ON
221 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
GAZ Summit White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
H1Y Jet Black
Transmission:
Automatic
Mileage:
2
Stock number:
26178
VIN:
3GTUUDED7TG211494

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$78,601

Alliston, ON
196 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
18380
VIN:
3GTUUDED6TG238959

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$78,901

Alliston, ON
196 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
18379
VIN:
3GTUUDED9TG238745

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car

$79,106

Collingwood, ON
221 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
GBA Onyx Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
H1Y Jet Black
Transmission:
Automatic
Mileage:
3
Stock number:
26153
VIN:
3GTUUDED7TG180831

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2026 GMC Sierra 1500

New car

$79,106

Collingwood, ON
221 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
GBA Onyx Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
H1Y Jet Black
Transmission:
Automatic
Mileage:
3
Stock number:
26177
VIN:
3GTUUDED2TG211435

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2026 GMC Sierra 1500

New car

$79,243

Trenton, ON
14 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
9
Stock number:
8518
VIN:
3GTUUDED4TG243674

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2026 GMC Sierra 1500

New car

$79,648

Trenton, ON
14 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Red
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
8551
VIN:
1GTUUDED3TZ285950

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2026 GMC Sierra 1500

New car

$80,732

Smiths Falls, ON
134 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Red
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
26411
VIN:
3GTUUDED7TG248254

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Photos coming soon

2026 GMC Sierra 1500

New car

$81,053

Trenton, ON
14 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Stock number:
7OD53500800
VIN:
3GTUUDED4TG312928

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2026 GMC Sierra 1500

New car

$81,234

Oshawa, ON
118 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
STERLING METALLIC
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
0
VIN:
1GTUUDED8TZ304363

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2026 GMC Sierra 1500

New car

$81,879

Orillia, ON
165 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
6,290
Stock number:
TG119931
VIN:
3GTUUDED3TG119931

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2026 GMC Sierra 1500

New car

$82,369

Barrie, ON
179 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
90
Stock number:
TG261244
VIN:
3GTUUDED3TG261244

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2026 GMC Sierra 1500

New car

$82,664

Cobourg, ON
65 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Sterling
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
144
Stock number:
T51166
VIN:
3GTUUDED3TG251166

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2026 GMC Sierra 1500

New car

$82,674

Cobourg, ON
65 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Onyx Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
9
Stock number:
T55109
VIN:
3GTUUDE80TG155109

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2026 GMC Sierra 1500

New car

$83,203

Oshawa, ON
118 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
ONYX BLACK
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
70
Stock number:
260197-new
VIN:
3GTUUDED4TG154784

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2026 GMC Sierra 1500

New car

$83,279

Cobourg, ON
65 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Sterling
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
8
Stock number:
T77888
VIN:
3GTUUDED6TG277888

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2026 GMC Sierra 1500

New car

$83,319

Gananoque, ON
103 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
300
Stock number:
260101
VIN:
3GTUUDEDXTG113995

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2026 GMC Sierra 1500

New car

$83,626

Newmarket, ON
164 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
G131174
VIN:
3GTUUDED5TG131174

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / SLT
  5. / Ontario
  6. / Thomasburg
FAQs

GMC Sierra 1500 SLT FAQs

What is the fuel economy of the GMC Sierra 1500 SLT?

Depending on the engine and options, the GMC Sierra 1500 SLT gets between 9 and 14 L/100km (or EV battery range).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

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