CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
  • Sell
    • Sell my car
    • Car values
  • Research
    • Test drive reviews
    • Price trends
    • Compare cars
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used Gray GMC for Sale in Mar, ON

374 results
Port Elgin, ON
2024 GMC Sierra 1500 Elevation Crew Cab 4WD Most Wanted Cars by Theo Motors

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

37,007 kilometres

$46,490

Good Deal
Kitchener, ON
138 km away
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:
37,007
Stock number:
G241987
VIN:
3GTPUCEK6RG241987

Sponsored

2024 GMC Sierra 1500 Denali Crew Cab 4WD

2024 GMC Sierra 1500

Denali Crew Cab 4WD

81,337 kilometres

$59,952

Good Deal
Peterborough, ON
223 km away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
81,337
Stock number:
RG270020
VIN:
3GTUUGEL2RG270020

Sponsored

2024 GMC Hummer EV SUV 3X AWD

2024 GMC Hummer EV SUV

3X AWD

59,850 kilometres

$88,995

Fair Deal
Certified Pre-Owned
Brampton, ON
147 km away
Year:
2024
Make:
GMC
Model:
Hummer EV SUV
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
Electric
Exterior colour:
Gray
Fuel type:
Electric
Interior colour:
Black
Transmission:
1-Speed Automatic
Mileage:
59,850
Stock number:
279609A
VIN:
1GKB0RDC0RU102880

Sponsored

2018 GMC Terrain SLT AWD

2018 GMC Terrain

SLT AWD

173,346 kilometres

$13,888

Great Deal
Toronto, ON
159 km away
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 number:
251837
VIN:
3GKALVEX4JL251855

2024 GMC Terrain SLE AWD

2024 GMC Terrain

SLE AWD

63,306 kilometres

$25,699

Great Deal
Ingersoll, ON
175 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

2025 GMC Sierra 1500 AT4 Crew Cab 4WD

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

49,509 kilometres

$60,995

Great Deal
Aurora, ON
146 km away
Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
49,509
Stock number:
US4061
VIN:
3GTUUEE84SG185590

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

68,565 kilometres

$46,995

Great Deal
Mississauga, ON
157 km away
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:
68,565
Stock number:
19905
VIN:
3GTUUCED1RG191729

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

154,838 kilometres

$41,995

Great Deal
Oakville, ON
170 km away
Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
154,838
Stock number:
A0641
VIN:
3GTUUEEL3PG227663

Preparing for a close up...

Photos coming soon

2024 GMC Terrain

SLE AWD

61,345 kilometres

$25,992

Great Deal
Hamilton, ON
185 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
Transmission:
9-Speed Automatic
Mileage:
61,345
Stock number:
UC9630R
VIN:
3GKALTEG4RL223536

Preparing for a close up...

Photos coming soon

2023 GMC Acadia

SLE AWD

48,044 kilometres

$33,998

Great Deal
North Bay, ON
234 km away
Year:
2023
Make:
GMC
Model:
Acadia
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
228 hp 2L I4
Exterior colour:
Gray
Combined gas mileage:
10 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
48,044
Stock number:
26147A
VIN:
1GKKNRLS5PZ211782

Preparing for a close up...

Photos coming soon

2014 GMC Sierra 1500

SLE Double Cab

148,474 kilometres

$16,999

Great Deal
Waterloo, ON
134 km away
Year:
2014
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
4X2
Engine:
4.3L V6 Flex Fuel Vehicle
Exterior colour:
Stealth Gray Metallic
Combined gas mileage:
12 L/100km
Fuel type:
Flex Fuel Vehicle
Interior colour:
Jet Black/Dark Ash
Transmission:
Automatic
Mileage:
148,474
Stock number:
267041A
VIN:
1GTR1UEHXEZ301422

Preparing for a close up...

Photos coming soon

2017 GMC Terrain

SLE2 AWD

116,000 kilometres

$9,900

Great Deal
Brampton, ON
150 km away
Year:
2017
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Exterior colour:
Gray
Interior colour:
Black
Transmission:
Automatic
Mileage:
116,000
Stock number:
MNCS197
VIN:
2GKFLTE37H6199996

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Pro Double Cab 4WD

7,635 kilometres

$47,999

Great Deal
Wallaceburg, ON
245 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:
Gray
Combined gas mileage:
19 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
7,635
Stock number:
SZ171869T
VIN:
1GTRUAED5SZ171869

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

134,200 kilometres

$40,888

Great Deal
Oakville, ON
170 km away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
134,200
Stock number:
2050
VIN:
3GTUUEET4NG609570

Preparing for a close up...

Photos coming soon

2019 GMC Canyon

SLT Crew Cab 4WD

74,086 kilometres

$33,495

Great Deal
Waterloo, ON
134 km away
Year:
2019
Make:
GMC
Model:
Canyon
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
181 hp 2.8L I4 Diesel
Exterior colour:
Gray
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
74,086
Stock number:
OP255A
VIN:
1GTP6DE11K1260247

Preparing for a close up...

Photos coming soon

2017 GMC Sierra 1500

Denali Crew Cab 4WD

189,992 kilometres

$23,499

Great Deal
Barrie, ON
116 km away
Year:
2017
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
189,992
Stock number:
FEB-4279
VIN:
3GTU2PEJ1HG464279

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

56,912 kilometres

$49,399

Great Deal
Oakville, ON
169 km away
Year:
2024
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:
56,912
Stock number:
398156
VIN:
3GTUUCED7RG398156

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

64,397 kilometres

$46,988

Great Deal
Certified Pre-Owned
Markham, ON
167 km away
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:
64,397
Stock number:
123027A
VIN:
3GTUUCED4RG150530

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

Denali AWD

105,450 kilometres

$18,999

Great Deal
Burlington, ON
174 km away
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
Transmission:
Automatic
Mileage:
105,450
Stock number:
260211
VIN:
3GKALXEX8LL264346

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

22,494 kilometres

$53,450

Great Deal
Oakville, ON
171 km away
Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
22,494
Stock number:
162302
VIN:
3GTUUCE86SG162302

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,064 kilometres

$78,048

Good Deal
Peterborough, ON
223 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
12,064
Stock number:
TG190992
VIN:
3GTUUEE83TG190992

Preparing for a close up...

Photos coming soon

2026 GMC Terrain

Elevation AWD

11,743 kilometres

$38,409

Good Deal
Peterborough, ON
223 km away
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
Transmission:
8-Speed Automatic
Mileage:
11,743
Stock number:
TL119128
VIN:
3GKALUEGXTL119128

Preparing for a close up...

Photos coming soon

2016 GMC Sierra 1500

SLE Double Cab 4WD

166,200 kilometres

$20,995

Good Deal
Guelph, ON
132 km away
Year:
2016
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
166,200
Stock number:
2481
VIN:
1GTV2MEC2GZ272520

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

26,199 kilometres

$60,499

Fair Deal
Certified Pre-Owned
Brampton, ON
147 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:
Gray
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
8-Speed Automatic
Mileage:
26,199
Stock number:
234647A
VIN:
3GTUUCEDXSG307113

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC
  4. / Ontario
  5. / Mar
  • Shop all gray cars in Mar ON

  • Used White GMC for Sale in Mar

  • Used Blue GMC for Sale in Mar

  • Used Red GMC for Sale in Mar

  • Used Black GMC for Sale in Mar

  • Used Silver GMC for Sale in Mar

  • Used GMC Sedans for Sale in Mar

  • Used GMC SUVs for Sale in Mar

  • Used GMC Coupes for Sale in Mar

  • Used GMC Pickup Trucks for Sale in Mar

  • Used GMC Hatchbacks for Sale in Mar

  • Used GMC Convertibles for Sale in Mar

  • Used GMC Wagons for Sale in Mar

  • Used GMC Vans for Sale in Mar

  • Used GMC for Sale with Tow Package in Mar

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.