Used Gray GMC Sierra 1500 for Sale in St Thomas, ON

113 results

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

18,252 km

$68,999

CarGurus partner

Year:: 2026
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:: 18,252
Stock #:: 5126
VIN:: 3GTUUCED4TG109497

Sponsored by Robinson Chevrolet Buick GMC Simcoe

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

24,967 km

$52,999

CarGurus partner

Year:: 2024
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:: 24,967
Stock #:: 47232
VIN:: 3GTUUCED3RG204044

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

126,000 km

$39,995

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 126,000
Stock #:: 106521
VIN:: 3GTP9EEL0MG106521

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

49,398 km

$52,774

Good Deal

$926/mo est.

Home delivery from Richmond Hill, ON

Price includes $381 shipping

CarGurus partner

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

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

126,000 km

$39,995

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 126,000
Stock #:: 106521
VIN:: 3GTP9EEL0MG106521

Home delivery

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

81,470 km

$46,728

Good Deal

$820/mo est.

Certified Pre-Owned

Home delivery from Maniwaki, QC

Price includes $1,730 shipping

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray (Thunderstorm Grey)
Transmission:: Automatic
Mileage:: 81,470
Stock #:: 4768A
VIN:: 3GTUUCE85RG152855

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

30,942 km

$56,997

CarGurus partner

Year:: 2025
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:: 30,942
Stock #:: T342A
VIN:: 3GTUUCED0SG194319

2024 GMC Sierra 1500

Denali Crew Cab 4WD

22,705 km

$63,999

CarGurus partner

Year:: 2024
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:: 22,705
Stock #:: 47430
VIN:: 3GTUUGED2RG346893

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

24,967 km

$52,999

CarGurus partner

Year:: 2024
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:: 24,967
Stock #:: 47232
VIN:: 3GTUUCED3RG204044

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

40,425 km

$61,795

CarGurus partner

Year:: 2024
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:: 40,425
Stock #:: A9387A
VIN:: 3GTUUEE85RG427703

Preparing for a close up...

Photos coming soon

Home delivery

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

88,034 km

$47,680

Fair Deal

$836/mo est.

Home delivery from Québec, QC

Price includes $2,696 shipping

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 277 hp 3L I6 Diesel
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 88,034
Stock #:: 94138B
VIN:: 1GTU9EET6MZ182294

Preparing for a close up...

Photos coming soon

Home delivery

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

53,685 km

$56,781

Fair Deal

$996/mo est.

Home delivery from Winnipeg, MB

Price includes $2,930 shipping

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray (Thunderstorm Grey)
Interior colour:: Jet Black
Transmission:: Automatic
Mileage:: 53,685
Stock #:: F7KXMC
VIN:: 3GTUUCED6RG323481

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

18,252 km

$68,999

CarGurus partner

Year:: 2026
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:: 18,252
Stock #:: 5126
VIN:: 3GTUUCED4TG109497

Preparing for a close up...

Photos coming soon

Home delivery

2023 GMC Sierra 1500

SLE Double Cab 4WD

132,379 km

$37,352

Fair Deal

$655/mo est.

Home delivery from North York, ON

Price includes $353 shipping

CarGurus partner

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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 132,379
Stock #:: PZ307023
VIN:: 1GTRUBEDXPZ307023

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

84,365 km

$62,985

CarGurus partner

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:: 84,365
Stock #:: 103025
VIN:: 3GTUUEE84SG229961

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

25,439 km

$69,985

CarGurus partner

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:: 25,439
Stock #:: 102665
VIN:: 3GTUUEE86SG187020

Preparing for a close up...

Photos coming soon

Home delivery

2024 GMC Sierra 1500

Pro Crew Cab 4WD

40,842 km

$43,610

Fair Deal

$765/mo est.

Home delivery from Ottawa, ON

Price includes $480 shipping

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 40,842
Stock #:: T4473A
VIN:: 1GTPUAEK9RZ200130

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

44,471 km

$66,985

CarGurus partner

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
Interior colour:: Black
Transmission:: 10-Speed Automatic
Mileage:: 44,471
Stock #:: 107528
VIN:: 3GTUUEE80SG224935

Preparing for a close up...

Photos coming soon

Home delivery

2024 GMC Sierra 1500

Denali Crew Cab 4WD

20,550 km

$67,623

Fair Deal

$1,186/mo est.

Home delivery from Hamilton, ON

Price includes $230 shipping

CarGurus partner

Year:: 2024
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:: 20,550
Stock #:: 1009400
VIN:: 3GTUUGE86RG133528

Preparing for a close up...

Photos coming soon

Home delivery

2023 GMC Sierra 1500

AT4X Crew Cab 4WD

94,704 km

$55,478

Fair Deal

$973/mo est.

Home delivery from Ottawa, ON

Price includes $480 shipping

CarGurus partner

Year:: 2023
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:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 94,704
Stock #:: T4506
VIN:: 3GTUUFEL4PG187213

Preparing for a close up...

Photos coming soon

Home delivery

2025 GMC Sierra 1500

SLE Double Cab 4WD

New car

$64,328

$1,128/mo est.

Home delivery from Windsor, ON

Price includes $328 shipping

CarGurus partner

Year:: 2025
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:: 7,727
Stock #:: 250714
VIN:: 1GTRUBED6SZ264163

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

New car

$70,003

$1,228/mo est.

Kitchener, ON

93 km away

CarGurus partner

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:: Gray
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 12
Stock #:: 260910
VIN:: 3GTUUCED1TG107528

Preparing for a close up...

Photos coming soon

Home delivery

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

New car

$87,349

$1,532/mo est.

Home delivery from Belleville, ON

Price includes $690 shipping

CarGurus partner

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:: Gray
Combined gas mileage:: 14 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 5
Stock #:: TG151418
VIN:: 3GTUUCED5TG151418

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

30,942 km

$56,997

CarGurus partner

Year:: 2025
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:: 30,942
Stock #:: T342A
VIN:: 3GTUUCED0SG194319

Used Gray GMC Sierra 1500 for Sale in St Thomas, ON

2026 GMC Sierra 1500

$68,999

2024 GMC Sierra 1500

$52,999

2021 GMC Sierra 1500

$39,995

2024 GMC Sierra 1500

$52,774

2021 GMC Sierra 1500

$39,995

2024 GMC Sierra 1500

$46,728

2025 GMC Sierra 1500

$56,997

2024 GMC Sierra 1500

$63,999

2024 GMC Sierra 1500

$52,999

2024 GMC Sierra 1500

$61,795

2021 GMC Sierra 1500

$47,680

2024 GMC Sierra 1500

$56,781

2026 GMC Sierra 1500

$68,999

2023 GMC Sierra 1500

$37,352

2025 GMC Sierra 1500

$62,985

2025 GMC Sierra 1500

$69,985

2024 GMC Sierra 1500

$43,610

2025 GMC Sierra 1500

$66,985

2024 GMC Sierra 1500

$67,623

2023 GMC Sierra 1500

$55,478

2025 GMC Sierra 1500

$64,328

2026 GMC Sierra 1500

$70,003

2026 GMC Sierra 1500

$87,349

2025 GMC Sierra 1500

$56,997

Shop by Color

Popular Searches

GMC dealers near St Thomas

Shop By City

Shop by Tow Package