Used Gray GMC for Sale in Milton, ON

297 results

2026 GMC Terrain

AT4 AWD

17,405 km

$43,995

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 17,405
Stock #:: 460641
VIN:: 3GKALYEGXTL168904

2026 GMC Terrain

AT4 AWD

12,263 km

$44,598

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 12,263
Stock #:: P260852
VIN:: 3GKALYEG3TL200852

2023 GMC Terrain

SLE AWD

82,604 km

$21,114

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 82,604
Stock #:: U12517
VIN:: 3GKALTEG6PL200515

2021 GMC Terrain

SLE AWD

101,450 km

$17,999

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 170 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 101,450
Stock #:: 260529
VIN:: 3GKALTEV4ML374464

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

49,509 km

$59,995

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:: 49,509
Stock #:: US4061
VIN:: 3GTUUEE84SG185590

2018 GMC Terrain

SLT AWD

173,346 km

$13,888

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 173,346
Stock #:: 251837
VIN:: 3GKALVEX4JL251857

2023 GMC Terrain

Denali AWD

72,495 km

$28,024

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 72,495
Stock #:: 1122AMU
VIN:: 3GKALXEG2PL127702

2023 GMC Terrain

SLE AWD

82,604 km

$21,114

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 82,604
Stock #:: U12517
VIN:: 3GKALTEG6PL200515

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

55,688 km

$56,799

CarGurus partner

Year:: 2024
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:: 55,688
Stock #:: B2114
VIN:: 3GTUUEEL4RG216707

2018 GMC Terrain

Denali AWD

96,000 km

$18,900

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 252 hp 2L I4
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 96,000
VIN:: 3GKALXEX4JL335149

Preparing for a close up...

Photos coming soon

2018 GMC Terrain

SLT Diesel AWD

162,000 km

$11,990

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 137 hp 1.6L I4 Diesel
Exterior colour:: Gray
Combined gas mileage:: 7 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 162,000
Stock #:: 18GT162
VIN:: 3GKALWEU9JL245222

Preparing for a close up...

Photos coming soon

2018 GMC Terrain

SLT AWD

174,316 km

$11,998

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Interior colour:: Black
Transmission:: Automatic
Mileage:: 174,316
Stock #:: 2213
VIN:: 3GKALVEX0JL145059

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

52,074 km

$49,995

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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 52,074
Stock #:: 20551
VIN:: 3GTUUCED0RG218337

Preparing for a close up...

Photos coming soon

2026 GMC Terrain

AT4 AWD

17,405 km

$43,995

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 17,405
Stock #:: 460641
VIN:: 3GKALYEGXTL168904

Preparing for a close up...

Photos coming soon

2026 GMC Terrain

AT4 AWD

12,263 km

$44,598

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 12,263
Stock #:: P260852
VIN:: 3GKALYEG3TL200852

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

28,190 km

$47,995

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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 28,190
Stock #:: TA216586
VIN:: 3GTPUCEK6RG216586

Preparing for a close up...

Photos coming soon

2018 GMC Terrain

SLE AWD

147,000 km

$12,950

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 1.5L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 147,000
Stock #:: N2667
VIN:: 3GKALTEV2JL291238

Preparing for a close up...

Photos coming soon

2022 GMC Canyon

Elevation Crew Cab 4WD

61,541 km

$37,900

CarGurus partner

Year:: 2022
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 308 hp 3.6L V6
Exterior colour:: Gray
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 61,541
Stock #:: STK219700
VIN:: 1GTG6CEN8N1219700

Preparing for a close up...

Photos coming soon

2021 GMC Acadia

Denali AWD

88,000 km

$34,995

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Acadia
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 3.6L V6
Exterior colour:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 88,000
Stock #:: 460881
VIN:: 1GKKNXLS8MZ119470

Preparing for a close up...

Photos coming soon

2018 GMC Terrain

SLE Diesel AWD

156,984 km

$12,499

CarGurus partner

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 137 hp 1.6L I4 Diesel
Exterior colour:: Gray
Combined gas mileage:: 7 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 156,984
Stock #:: 000054
VIN:: 3GKALUEUXJL195080

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

Elevation Double Cab 4WD

149,024 km

$29,779

CarGurus partner

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
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 149,024
Stock #:: OFL6F084A
VIN:: 1GTR9CED9KZ281675

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

65,227 km

$50,497

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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 65,227
Stock #:: G238984
VIN:: 3GTUUCE88RG238984

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

40,866 km

$53,901

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 40,866
Stock #:: 1203
VIN:: 3GTUUCE8XSG237910

Preparing for a close up...

Photos coming soon

2017 GMC Canyon

SLE Crew Cab 4WD

82,209 km

$26,790

Good Deal

$470/mo est.

31 km away

CarGurus partner

Year:: 2017
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 308 hp 3.6L V6
Exterior colour:: Gray
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 82,209
Stock #:: 116274
VIN:: 1GTG6CEN1H1323689

Used Gray GMC for Sale in Milton, ON

2026 GMC Terrain

$43,995

2026 GMC Terrain

$44,598

2023 GMC Terrain

$21,114

2021 GMC Terrain

$17,999

2025 GMC Sierra 1500

$59,995

2018 GMC Terrain

$13,888

2023 GMC Terrain

$28,024

2023 GMC Terrain

$21,114

2024 GMC Sierra 1500

$56,799

2018 GMC Terrain

$18,900

2018 GMC Terrain

$11,990

2018 GMC Terrain

$11,998

2024 GMC Sierra 1500

$49,995

2026 GMC Terrain

$43,995

2026 GMC Terrain

$44,598

2024 GMC Sierra 1500

$47,995

2018 GMC Terrain

$12,950

2022 GMC Canyon

$37,900

2021 GMC Acadia

$34,995

2018 GMC Terrain

$12,499

2019 GMC Sierra 1500

$29,779

2024 GMC Sierra 1500

$50,497

2025 GMC Sierra 1500

$53,901

2017 GMC Canyon

$26,790

Shop by Color

Shop by Bodystyle

Shop by Tow Package