Used Gray GMC for Sale in Union, ON

311 results

2016 GMC Terrain

SLE2

203,803 km

$6,995

CarGurus partner

Year:: 2016
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Front-Wheel Drive
Engine:: 182 hp 2.4L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: 6-Speed Automatic
Mileage:: 203,803
Stock #:: FS:18887
VIN:: 2GKALNEK9G6149550

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

18,252 km

$67,999

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

2024 GMC Terrain

SLE AWD

28,684 km

$31,611

CarGurus partner

Year:: 2024
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:: 28,684
Stock #:: 26100A
VIN:: 3GKALTEG8RL260234

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

49,398 km

$50,399

Great Deal

$1,022/mo est.

Home delivery from Richmond Hill, ON

Price includes $400 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

Home delivery

2021 GMC Terrain

SLE AWD

127,242 km

$17,436

Great Deal

$354/mo est.

Home delivery from Barrie, ON

Price includes $449 shipping

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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 127,242
Stock #:: BT12929
VIN:: 3GKALTEV2ML357758

Home delivery

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

38,590 km

$53,176

Good Deal

$1,078/mo est.

Home delivery from Listowel, ON

Price includes $181 shipping

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:: 38,590
Stock #:: 361853
VIN:: 3GTUUCED9RG361853

Home delivery

2024 GMC Terrain

AT4 AWD

48,921 km

$32,260

Good Deal

$654/mo est.

Home delivery from Ottawa, ON

Price includes $265 shipping

CarGurus partner

Year:: 2024
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:: 48,921
Stock #:: 05037W
VIN:: 3GKALYEG6RL375573

2016 GMC Terrain

SLE2

203,803 km

$6,995

CarGurus partner

Year:: 2016
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Front-Wheel Drive
Engine:: 182 hp 2.4L I4
Exterior colour:: Gray
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: 6-Speed Automatic
Mileage:: 203,803
Stock #:: FS:18887
VIN:: 2GKALNEK9G6149550

Home delivery

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

81,470 km

$46,757

Good Deal

$948/mo est.

Certified Pre-Owned

Home delivery from Maniwaki, QC

Price includes $1,759 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 (Thunderstorm Grey)
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 81,470
Stock #:: 4768A
VIN:: 3GTUUCE85RG152855

Home delivery

2024 GMC Terrain

SLE AWD

32,621 km

$28,276

Good Deal

$574/mo est.

Home delivery from Cobourg, ON

Price includes $286 shipping

CarGurus partner

Year:: 2024
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:: 32,621
Stock #:: RL229371
VIN:: 3GKALTEG6RL229371

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Home delivery

2024 GMC Terrain

SLT AWD

45,561 km

$29,408

Good Deal

$597/mo est.

Home delivery from Kingston, ON

Price includes $413 shipping

CarGurus partner

Year:: 2024
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:: 9-Speed Automatic
Mileage:: 45,561
Stock #:: 11657
VIN:: 3GKALVEGXRL197942

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2022 GMC Canyon

Denali Crew Cab 4WD

22,434 km

$43,998

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
Transmission:: Automatic
Mileage:: 22,434
Stock #:: L1144A
VIN:: 1GTG6EEN1N1113147

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2024 GMC Terrain

AT4 AWD

29,437 km

$33,487

CarGurus partner

Year:: 2024
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:: 9-Speed Automatic
Mileage:: 29,437
Stock #:: 154907
VIN:: 3GKALYEGXRL204132

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Home delivery

2022 GMC Canyon

AT4 Crew Cab 4WD with Cloth

54,994 km

$38,390

Good Deal

$779/mo est.

Home delivery from

Price includes $200 shipping

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
Transmission:: Automatic
Mileage:: 54,994
Stock #:: 123888
VIN:: 1GTG6FEN1N1100856

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Home delivery

2023 GMC Sierra 1500

AT4X Crew Cab 4WD

94,704 km

$55,487

Good Deal

$1,125/mo est.

Home delivery from Ottawa, ON

Price includes $489 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

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2024 GMC Terrain

SLE AWD

85,921 km

$25,162

CarGurus partner

Year:: 2024
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:: 85,921
Stock #:: CC00377F
VIN:: 3GKALTEG5RL331373

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Home delivery

2020 GMC Terrain

SLE AWD

182,000 km

$15,395

Good Deal

$313/mo est.

Home delivery from Kingston, ON

Free home delivery

CarGurus partner

Year:: 2020
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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 182,000
Stock #:: 3694
VIN:: 3GKALTEV6LL204654

2021 GMC Acadia

AT4 AWD

173,000 km

$22,900

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:: 173,000
Stock #:: 2999
VIN:: 1GKKNLLS5MZ164665

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Home delivery

2024 GMC Terrain

Denali AWD

26,652 km

$34,116

Good Deal

$692/mo est.

Home delivery from Hamilton, ON

Price includes $245 shipping

CarGurus partner

Year:: 2024
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:: 26,652
Stock #:: 2445060
VIN:: 3GKALXEG5RL240806

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2024 GMC Terrain

SLE AWD

28,684 km

$31,611

CarGurus partner

Year:: 2024
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:: 28,684
Stock #:: 26100A
VIN:: 3GKALTEG8RL260234

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Home delivery

2018 GMC Terrain

Denali AWD

175,455 km

$14,258

Fair Deal

$290/mo est.

Home delivery from Kitchener, ON

Price includes $308 shipping

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
Transmission:: Automatic
Mileage:: 175,455
Stock #:: 4274
VIN:: 3GKALXEX3JL312185

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Home delivery

2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

5,399 km

$119,999

Fair Deal

$2,433/mo est.

Home delivery from Bancroft, ON

Free home delivery

CarGurus partner

Year:: 2025
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:: 5,399
Stock #:: 12-25492
VIN:: 1GT4UXEY8SF359397

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Home delivery

2023 GMC Terrain

SLE AWD

80,222 km

$25,476

Fair Deal

$517/mo est.

Home delivery from Cobourg, ON

Price includes $286 shipping

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:: 80,222
Stock #:: PL198373
VIN:: 3GKALTEG0PL198373

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2019 GMC Sierra 1500

SLE Double Cab 4WD

54,131 km

$37,553

CarGurus partner

Year:: 2019
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 54,131
Stock #:: 26400
VIN:: 1GTR9BED1KZ303467

Used Gray GMC for Sale in Union, ON

2016 GMC Terrain

$6,995

2026 GMC Sierra 1500

$67,999

2024 GMC Terrain

$31,611

2024 GMC Sierra 1500

$50,399

2021 GMC Terrain

$17,436

2024 GMC Sierra 1500

$53,176

2024 GMC Terrain

$32,260

2016 GMC Terrain

$6,995

2024 GMC Sierra 1500

$46,757

2024 GMC Terrain

$28,276

2024 GMC Terrain

$29,408

2022 GMC Canyon

$43,998

2024 GMC Terrain

$33,487

2022 GMC Canyon

$38,390

2023 GMC Sierra 1500

$55,487

2024 GMC Terrain

$25,162

2020 GMC Terrain

$15,395

2021 GMC Acadia

$22,900

2024 GMC Terrain

$34,116

2024 GMC Terrain

$31,611

2018 GMC Terrain

$14,258

2025 GMC Sierra 2500HD

$119,999

2023 GMC Terrain

$25,476

2019 GMC Sierra 1500

$37,553

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