Used Gray GMC for Sale in Union, ON

247 results

2024 GMC Terrain

SLE AWD

63,306 km

$24,899

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:: 63,306
Stock #:: DR7644
VIN:: 3GKALTEG6RL335495

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

18,252 km

$69,999

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

2023 GMC Terrain

SLE AWD

82,604 km

$22,580

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 Terrain

SLE AWD

63,306 km

$24,899

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:: 63,306
Stock #:: DR7644
VIN:: 3GKALTEG6RL335495

Home delivery

2024 GMC Terrain

SLE AWD

32,621 km

$29,276

Good Deal

$514/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

Home delivery

2020 GMC Sierra 1500

Denali Crew Cab 4WD

105,169 km

$44,693

Good Deal

$784/mo est.

Home delivery from Mississauga, ON

Price includes $699 shipping

CarGurus partner

Year:: 2020
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:: 105,169
Stock #:: T11659A
VIN:: 1GTU9FET4LZ264061

Home delivery

2024 GMC Terrain

SLT AWD

45,561 km

$30,408

Good Deal

$534/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

Home delivery

2017 GMC Acadia

SLT-1 AWD

195,651 km

$14,444

Good Deal

$254/mo est.

Home delivery from Uxbridge, ON

Price includes $466 shipping

CarGurus partner

Year:: 2017
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
Transmission:: 6-Speed Automatic
Mileage:: 195,651
Stock #:: 261593A
VIN:: 1GKKNULS8HZ313680

Home delivery

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

78,212 km

$41,937

Good Deal

$736/mo est.

Home delivery from Joliette, QC

Price includes $1,442 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 (Satin Steel Metallic (G9K))
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 78,212
Stock #:: U9205
VIN:: 3GTU9CET4MG469587

2023 GMC Sierra 1500

SLT Crew Cab 4WD

29,977 km

$54,995

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:: Gray (Grey - Light)
Transmission:: Automatic
Mileage:: 29,977
Stock #:: 9007
VIN:: 3GTUUDED4PG309856

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2016 GMC Terrain

SLE2

203,803 km

$9,995

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:: Automatic
Mileage:: 203,803
Stock #:: FS:18887
VIN:: 2GKALNEK9G6149550

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2014 GMC Sierra 1500

SLT Crew Cab 4WD

222,999 km

$16,995

CarGurus partner

Year:: 2014
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 5.3L V8 Flex Fuel Vehicle
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Flex Fuel Vehicle
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 222,999
Stock #:: XXXX
VIN:: 3GTU2VEC0EG570000

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Home delivery

2024 GMC Sierra 1500

Denali Crew Cab 4WD

20,550 km

$67,746

Good Deal

$1,188/mo est.

Home delivery from Hamilton, ON

Price includes $245 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

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Home delivery

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

26,472 km

$97,487

Good Deal

$1,709/mo est.

Home delivery from Ottawa, ON

Price includes $489 shipping

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 26,472
Stock #:: Ke7232
VIN:: 1GT1UPEY1SF305085

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2023 GMC Terrain

SLE AWD

82,604 km

$22,580

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

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Home delivery

2017 GMC Acadia

SLE-1 FWD

86,043 km

$16,790

Good Deal

$295/mo est.

Home delivery from

Price includes $200 shipping

CarGurus partner

Year:: 2017
Make:: GMC
Model:: Acadia
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Front-Wheel Drive
Engine:: 193 hp 2.5L I4
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 86,043
Stock #:: 113451
VIN:: 1GKKNKLA7HZ283454

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Home delivery

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

53,096 km

$55,692

Good Deal

$977/mo est.

Home delivery from Laval, QC

Price includes $697 shipping

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Gray (Graphite)
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 53,096
Stock #:: QP16137
VIN:: 3GTUUEE8XPG300717

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Home delivery

2017 GMC Terrain

SLE2 AWD

88,475 km

$16,776

Fair Deal

$295/mo est.

Home delivery from Ottawa, ON

Price includes $1,089 shipping

CarGurus partner

Year:: 2017
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 182 hp 2.4L I4
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 88,475
Stock #:: 251918
VIN:: 2GKFLTEK5H6271768

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Home delivery

2017 GMC Terrain

SLE2 AWD

88,475 km

$16,776

Fair Deal

$295/mo est.

Home delivery from Ottawa, ON

Price includes $1,089 shipping

CarGurus partner

Year:: 2017
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 182 hp 2.4L I4
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 88,475
Stock #:: 251918P
VIN:: 2GKFLTEK5H6271769

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Home delivery

2026 GMC Sierra 1500

Pro Crew Cab 4WD

9,851 km

$73,549

Fair Deal

$1,290/mo est.

Home delivery from Gatineau, QC

Price includes $540 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:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 9,851
Stock #:: 26093
VIN:: 3GTUUAEDXTG136644

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Home delivery

2017 GMC Canyon

SLE Crew Cab 4WD

92,860 km

$29,703

Fair Deal

$521/mo est.

Home delivery from Ottawa, ON

Price includes $1,089 shipping

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:: 92,860
Stock #:: 251855
VIN:: 1GTG6CEN7H1200706

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Home delivery

2025 GMC Yukon

Elevation 4WD

19,914 km

$94,176

Fair Deal

$1,651/mo est.

Home delivery from Listowel, ON

Price includes $181 shipping

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Yukon
Body type:: SUV / Crossover
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:: 19,914
Stock #:: 315408
VIN:: 1GKS2BRD6SR315408

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2024 GMC Terrain

SLE AWD

90,374 km

$26,899

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:: 90,374
Stock #:: E6623
VIN:: 3GKALTEG0RL341910

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2021 GMC Sierra 1500

AT4 Crew Cab 4WD

164,389 km

$37,900

CarGurus partner

Year:: 2021
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:: 164,389
Stock #:: 6460751
VIN:: 3GTP9EED8MG193660

Used Gray GMC for Sale in Union, ON

2024 GMC Terrain

$24,899

2026 GMC Sierra 1500

$69,999

2023 GMC Terrain

$22,580

2024 GMC Terrain

$24,899

2024 GMC Terrain

$29,276

2020 GMC Sierra 1500

$44,693

2024 GMC Terrain

$30,408

2017 GMC Acadia

$14,444

2021 GMC Sierra 1500

$41,937

2023 GMC Sierra 1500

$54,995

2016 GMC Terrain

$9,995

2014 GMC Sierra 1500

$16,995

2024 GMC Sierra 1500

$67,746

2025 GMC Sierra 2500HD

$97,487

2023 GMC Terrain

$22,580

2017 GMC Acadia

$16,790

2023 GMC Sierra 1500

$55,692

2017 GMC Terrain

$16,776

2017 GMC Terrain

$16,776

2026 GMC Sierra 1500

$73,549

2017 GMC Canyon

$29,703

2025 GMC Yukon

$94,176

2024 GMC Terrain

$26,899

2021 GMC Sierra 1500

$37,900

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