Used GMC Cars for Sale near Union, ON

345 results

Port Stanley, ON

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2024 GMC Terrain

AT4 AWD

28,203 kilometres

$33,222

Good Deal

Tillsonburg, ON

42 km away

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:: White
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 28,203
Stock number:: S25493
VIN:: 3GKALYEG8RL158722

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2024 GMC Terrain

SLE AWD

74,463 kilometres

$28,990

Fair Deal

Certified Pre-Owned

St Thomas, ON

11 km away

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:: Silver
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: 9-Speed Automatic
Mileage:: 74,463
Stock number:: 86024
VIN:: 3GKALTEG3RL287745

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2024 GMC Terrain

Denali AWD

25,105 kilometres

$37,146

Fair Deal

Certified Pre-Owned

Blenheim, ON

77 km away

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:: Black
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Gray
Transmission:: 9-Speed Automatic
Mileage:: 25,105
Stock number:: 6C021A
VIN:: 3GKALXEG1RL105662

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2020 GMC Savana Cargo

2500 RWD

130,826 kilometres

$22,495

Great Deal

London, ON

28 km away

Year:: 2020
Make:: GMC
Model:: Savana Cargo
Body type:: Van
Doors:: 3 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 276 hp 4.3L V6
Exterior colour:: White
Fuel type:: Gasoline
Interior colour:: Brown (Beige)
Transmission:: Automatic
Mileage:: 130,826
Stock number:: 97949
VIN:: 1GTW7AFP9L1156388

2024 GMC Terrain

SLE AWD

56,169 kilometres

$26,799

Great Deal

Ingersoll, ON

45 km away

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:: White
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 56,169
Stock number:: DR7643
VIN:: 3GKALTEG3RL335518

2024 GMC Terrain

SLE AWD

63,306 kilometres

$25,799

Great Deal

Ingersoll, ON

45 km away

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 number:: DR7644
VIN:: 3GKALTEG6RL335495

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2026 GMC Sierra 1500

Pro Double Cab 4WD

5,352 kilometres

$61,992

Great Deal

Exeter, ON

76 km away

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: White
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 5,352
Stock number:: 105246
VIN:: 1GTRUAEK1TZ115489

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2026 GMC Sierra 1500

Pro Crew Cab 4WD

9,250 kilometres

$60,645

Great Deal

New Hamburg, ON

87 km away

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: White
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 9,250
Stock number:: 2530-26
VIN:: 3GTPUAEK6TG107685

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2017 GMC Terrain

SLE2

120,241 kilometres

$9,995

Great Deal

London, ON

33 km away

Year:: 2017
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Front-Wheel Drive
Engine:: 182 hp 2.4L I4
Exterior colour:: Black
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 120,241
Stock number:: 1318
VIN:: 2GKALNEK2H6286461

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2023 GMC Sierra 1500

Pro Crew Cab 4WD

39,466 kilometres

$31,999

Great Deal

London, ON

36 km away

Year:: 2023
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:: 39,466
Stock number:: E6437
VIN:: 3GTPUAEK7PG168940

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2021 GMC Sierra 1500

Denali Crew Cab 4WD

150,008 kilometres

$38,727

Great Deal

London, ON

36 km away

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:: Black
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 150,008
Stock number:: 15-IC086
VIN:: 3GTU9FET7MG238510

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2026 GMC Sierra 1500

Pro Crew Cab 4WD

3,000 kilometres

$61,999

Great Deal

Certified Pre-Owned

Simcoe, ON

75 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:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 3,000
Stock number:: 26T1
VIN:: 1GTUUAED1TZ102107

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2025 GMC Sierra 1500

SLT Crew Cab 4WD

23,392 kilometres

$62,694

Great Deal

Certified Pre-Owned

London, ON

36 km away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Red
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 23,392
Stock number:: 255234A
VIN:: 3GTUUDE87SG298248

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2018 GMC Terrain

SLT AWD

154,774 kilometres

$14,424

Great Deal

Brantford, ON

94 km away

Year:: 2018
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Silver
Transmission:: Automatic
Mileage:: 154,774
Stock number:: 218807
VIN:: 3GKALVEX6JL218807

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2015 GMC Savana Cargo

2500 RWD

186,900 kilometres

$12,495

Great Deal

London, ON

35 km away

Year:: 2015
Make:: GMC
Model:: Savana Cargo
Body type:: Van
Doors:: 3 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 285 hp 4.8L V8
Exterior colour:: White
Fuel type:: Gasoline
Transmission:: 6-Speed Automatic
Mileage:: 186,900
Stock number:: OX:8960
VIN:: 1GTW7FCF9F1282327

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2022 GMC Sierra 1500

SLE Crew Cab 4WD

52,400 kilometres

$36,988

Great Deal

Paris, ON

87 km away

Year:: 2022
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: White
Fuel type:: Gasoline
Mileage:: 52,400
Stock number:: UP-2580
VIN:: 3GTPUBEK2NG551509

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2026 GMC Sierra 1500

AT4X Crew Cab 4WD

9,881 kilometres

$88,998

Great Deal

New Hamburg, ON

87 km away

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Black
Interior colour:: Black
Transmission:: Automatic
Mileage:: 9,881
Stock number:: 2648-26A
VIN:: 3GTUUFEL7TG156595

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2018 GMC Sierra 1500

Denali Crew Cab 4WD

144,750 kilometres

$24,995

Great Deal

London, ON

29 km away

Year:: 2018
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
Transmission:: Automatic
Mileage:: 144,750
Stock number:: 50
VIN:: 3GTU2PEC1JG407734

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

40,015 kilometres

$56,397

Good Deal

Chatham-Kent, ON

90 km away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Red
Fuel type:: Diesel
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 40,015
Stock number:: LK00805T
VIN:: 3GTUUCE8XRG390832

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

70,111 kilometres

$62,582

Good Deal

Certified Pre-Owned

Chatham, ON

85 km away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 70,111
Stock number:: T170A
VIN:: 3GTUUEE84RG201670

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

13,715 kilometres

$59,897

Good Deal

Chatham-Kent, ON

90 km away

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:: White
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 13,715
Stock number:: LK00781Z
VIN:: 3GTUUCED2SG274253

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2023 GMC Sierra 1500

Denali Crew Cab 4WD

96,500 kilometres

$52,637

Good Deal

Chatham-Kent, ON

89 km away

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:: White
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 96,500
Stock number:: 2618
VIN:: 3GTUUGED3PG116762

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2015 GMC Canyon

SLE Ext. Cab LB 4WD

263,040 kilometres

$13,995

Good Deal

London, ON

36 km away

Year:: 2015
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 200 hp 2.5L I4
Exterior colour:: Red
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 263,040
Stock number:: 1123
VIN:: 1GTH6BEA4F1169763

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Reviews

4.5 Overall rating

(1,566 reviews)

Customers say

GMC offers a lineup of trucks and SUVs that are generally praised for their reliable performance, spacious interiors, and towing capabilities. Owners appreciate their rugged design and the comfort they provide, especially in models like the Sierra and Yukon. However, common criticisms include fuel economy issues and high pricing for some models. Despite these drawbacks, GMC vehicles are often recognized for their power, luxurious features, and off-road capabilities, making them solid choices for both daily driving and rugged use.

AI generated from the text of customer reviews.

What people say

comfort fuel economy interior performance power

Michael S

5.0

Reviewed a 2021 GMC SLT 4WD on Apr. 26, 2026

Getting the diesel was the best decision! Far superior to the gasoline engine options.

Derek S

5.0

Reviewed a 2023 GMC Acadia on Nov. 17, 2025

Has all of the added features and technology of a high end luxury SUV without the price tag!! Ride is exceptionally smooth even for AT4!!

Aristotle A

5.0

Reviewed a 2022 GMC Denali Ultimate Crew Cab 4WD on Oct. 16, 2025

Love this truck! Love the inline 6 diesel! And my fiance loves the massaging seats!

Pamela S

5.0

Reviewed a 2016 GMC Canyon on Jul. 03, 2025

Truck was totaled by another driver hitting me and every airbag deployed all around and saved my life

Bruce S

5.0

Reviewed a 2025 GMC Denali Ultimate 4WD on Apr. 22, 2025

This by far the nicest vehicle I've ever owned. There is not one feature missing from this beautiful automobile. The Denali trim is already amazing, but the Denali Ultimate it amazing!