Used GMC Sedans for Sale in Union, ON

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Body style

1,052 vehicles found

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:: 20,232
Stock #:: 5126
VIN:: 3GTUUCED4TG109497

Gray 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored by Robinson Chevrolet Buick GMC Simcoe

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

20,232 km

Simcoe, ON

75 km away

Fair Deal

Certified Pre-Owned

$67,999

Year:: 2019
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 117,638
Stock #:: 26N38A
VIN:: 3GKALTEX8KL183919

2019 GMC Terrain

SLE AWD

117,638 km

Exeter, ON

78 km away

Fair Deal

$17,549

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: White
Transmission:: Automatic
Mileage:: 65,569
Stock #:: 1912SHNA
VIN:: 3GTUUDE82SG133790

New arrival

2025 GMC Sierra 1500

SLT Crew Cab 4WD

65,569 km

Stratford, ON

76 km away

Good Deal

$54,878

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:: Silver
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 160,000
Stock #:: F316102
VIN:: 3GKALTEVXML316102

2021 GMC Terrain

SLE AWD

160,000 km

London, ON

21 km away

Great Deal

$15,995

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 #:: 97949
VIN:: 1GTW7AFP9L1156388

2020 GMC Savana Cargo

2500 RWD

130,826 km

London, ON

28 km away

Great Deal

$20,995

Year:: 2020
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:: 156,430
VIN:: 3GKALXEX9LL129957

2020 GMC Terrain

Denali AWD

156,430 km

London, ON

36 km away

Great Deal

$17,995

Year:: 2016
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: White
Interior colour:: Black
Transmission:: Automatic
Mileage:: 301,243
VIN:: 3GTU2MEC2GG226889

2016 GMC Sierra 1500

SLE Crew Cab 4WD

301,243 km

London, ON

36 km away

Great Deal

$13,995

Year:: 2022
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 170 hp 1.5L I4
Exterior colour:: Silver
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 79,197
Stock #:: 1446AMU
VIN:: 3GKALVEV3NL253535

2022 GMC Terrain

SLT AWD

79,197 km

Kitchener, ON

100 km away

Great Deal

$23,500

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:: 124,142
Stock #:: 519CR2432
VIN:: 3GKALVEX1JL128321

New arrival

2018 GMC Terrain

SLT AWD

124,142 km

St Thomas, ON

14 km away

Great Deal

$16,499

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:: 6,975
Stock #:: 26T1
VIN:: 1GTUUAED1TZ102107

2026 GMC Sierra 1500

Pro Crew Cab 4WD

6,975 km

Simcoe, ON

75 km away

Great Deal

Certified Pre-Owned

$58,999

Year:: 2022
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 170 hp 1.5L I4
Exterior colour:: White
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 149,170
Stock #:: 1432
VIN:: 3GKALTEV7NL163129

White 2022 GMC Terrain SUV / Crossover All-Wheel Drive Automatic

Price drop

-$1,000

2022 GMC Terrain

SLE AWD

149,170 km

London, ON

33 km away

Great Deal

$17,995

$16,995

Year:: 2027
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 175 hp 1.5L I4
Exterior colour:: Black
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Blue
Transmission:: Automatic
Mileage:: 3,150
Stock #:: 27TR7
VIN:: 3GKALUEG4VL136283

Black 2027 GMC Terrain SUV / Crossover Four-Wheel Drive Automatic

Price drop

-$1,505

2027 GMC Terrain

Elevation AWD

3,150 km

Simcoe, ON

75 km away

Great Deal

Certified Pre-Owned

$42,504

$40,999

Year:: 2016
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 355 hp 5.3L V8
Exterior colour:: Blue
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 135,191
Stock #:: H34346A
VIN:: 3GTU2MEC3GG383458

2016 GMC Sierra 1500

SLE Crew Cab 4WD

135,191 km

London, ON

30 km away

Great Deal

$22,351

Year:: 2022
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 170 hp 1.5L I4
Exterior colour:: Black
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 50,277
Stock #:: 1483AMU
VIN:: 3GKALVEV1NL100796

Black 2022 GMC Terrain SUV / Crossover All-Wheel Drive Automatic

Price drop

-$500

2022 GMC Terrain

SLT AWD

50,277 km

Kitchener, ON

100 km away

Great Deal

$24,500

$24,000

Year:: 2018
Make:: GMC
Model:: Acadia
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Front-Wheel Drive
Engine:: 193 hp 2.5L I4
Exterior colour:: Red (Burgundy)
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 120,468
Stock #:: (1-115) 162505
VIN:: 1GKKNKLAXJZ162505

2018 GMC Acadia

SLE-1 FWD

120,468 km

London, ON

26 km away

Great Deal

$13,998

Year:: 2024
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Black
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 24,905
Stock #:: 6430141
VIN:: 1GTP6FEK6R1209177

2024 GMC Canyon

Denali Crew Cab 4WD

24,905 km

Petrolia, ON

82 km away

Great Deal

$54,900

Year:: 2019
Make:: GMC
Model:: Acadia
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 3.6L V6
Exterior colour:: Brown
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 78,289
Stock #:: WM427A
VIN:: 1GKKNWLS5KZ145970

Brown 2019 GMC Acadia SUV / Crossover Four-Wheel Drive Automatic

Price drop

-$1,504

2019 GMC Acadia

SLT-2 AWD

78,289 km

Woodstock, ON

63 km away

Great Deal

$24,999

$23,495

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:: 1,424
Stock #:: 106195
VIN:: 1GTUUAED5TZ232858

2026 GMC Sierra 1500

Pro Crew Cab 4WD

1,424 km

Exeter, ON

76 km away

Great Deal

$57,788

Year:: 2010
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 2 doors
Drivetrain:: 4X2
Engine:: 302 hp 4.8L V8 Flex Fuel Vehicle
Exterior colour:: White
Combined gas mileage:: 15 L/100km
Fuel type:: Flex Fuel Vehicle
Interior colour:: Black
Transmission:: Automatic
Mileage:: 242,169
Stock #:: 1018
VIN:: 1GTPCTEAXAZ218386

New arrival

2010 GMC Sierra 1500

Work Truck

242,169 km

London, ON

36 km away

Great Deal

$2,995

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
Transmission:: Automatic
Mileage:: 38,464
Stock #:: S26697
VIN:: 3GKALTEG6RL233968

2024 GMC Terrain

SLE AWD

38,464 km

Tillsonburg, ON

42 km away

Good Deal

$27,850

Year:: 2023
Make:: GMC
Model:: Acadia
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 3.6L V6
Exterior colour:: White
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 57,974
Stock #:: 166680
VIN:: 1GKKNLLS5PZ165075

2023 GMC Acadia

AT4 AWD

57,974 km

London, ON

30 km away

Good Deal

$40,498

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Black
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 70,283
Stock #:: TT373A
VIN:: 3GTUUEE85RG242051

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

70,283 km

Chatham, ON

85 km away

Good Deal

Certified Pre-Owned

$58,011

Year:: 2017
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Exterior colour:: Black
Interior colour:: Black
Transmission:: Automatic
Mileage:: 123,158
VIN:: 2GKFLUE31H6173237

2017 GMC Terrain

SLT AWD

123,158 km

London, ON

21 km away

Good Deal

$12,499

Year:: 2022
Make:: GMC
Model:: Terrain
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 170 hp 1.5L I4
Exterior colour:: Black Metallic
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 51,000
Stock #:: 2N5116
VIN:: 3GKALTEV2NL223690

New arrival

2022 GMC Terrain

SLE AWD

51,000 km

London, ON

32 km away

Fair Deal

$25,990

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Used GMC for Sale with Tow Package in Union

Used GMC Sedans for Sale in Union, ON

Filters (2)

2026 GMC Sierra 1500

$67,999

2019 GMC Terrain

$17,549

2025 GMC Sierra 1500

$54,878

2021 GMC Terrain

$15,995

2020 GMC Savana Cargo

$20,995

2020 GMC Terrain

$17,995

2016 GMC Sierra 1500

$13,995

2022 GMC Terrain

$23,500

2018 GMC Terrain

$16,499

2026 GMC Sierra 1500

$58,999

2022 GMC Terrain

$16,995

2027 GMC Terrain

$40,999

2016 GMC Sierra 1500

$22,351

2022 GMC Terrain

$24,000

2018 GMC Acadia

$13,998

2024 GMC Canyon

$54,900

2019 GMC Acadia

$23,495

2026 GMC Sierra 1500

$57,788

2010 GMC Sierra 1500

$2,995

2024 GMC Terrain

$27,850

2023 GMC Acadia

$40,498

2024 GMC Sierra 1500

$58,011

2017 GMC Terrain

$12,499

2022 GMC Terrain

$25,990

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