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 GMC Sierra 1500 AT4 for Sale near Mono, ON

74 results
Melancthon, ON
2022 GMC Sierra 1500 AT4 Crew Cab 4WD Bourgeois Midland Hyundai

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

86,266 kilometres

$53,900

Good Deal
Midland, ON
89 km away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
86,266
Stock number:
00U472
VIN:
3GTUUEET7NG659766

Sponsored

2023 GMC Sierra 1500 AT4 Crew Cab 4WD

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

154,838 kilometres

$46,995

Good Deal
Oakville, ON
65 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

Sponsored

2021 GMC Sierra 1500 AT4 Crew Cab 4WD

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

120,668 kilometres

$45,995

Fair Deal
Certified Pre-Owned
Brampton, ON
40 km away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
White
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
120,668
Stock number:
324785A
VIN:
1GTP9EELXMZ281343

Sponsored

2023 GMC Sierra 1500 AT4 Crew Cab 4WD

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

73,187 kilometres

$55,901

Great Deal
Milton, ON
53 km away
Year:
2023
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
Transmission:
Automatic
Mileage:
73,187
Stock number:
XT197A
VIN:
3GTUUEE87PG321301

2025 GMC Sierra 1500 AT4 Crew Cab LB 4WD

2025 GMC Sierra 1500

AT4 Crew Cab LB 4WD

2,320 kilometres

$69,998

Great Deal
Hamilton, ON
84 km away
Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
Red (Maroon)
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
2,320
Stock number:
444EF1
VIN:
3GTUUEEL2SG200110

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

21,000 kilometres

$73,000

Good Deal
Midland, ON
90 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:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
21,000
Stock number:
44541G
VIN:
3GTUUEE82SG244541

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

95,622 kilometres

$55,797

Good Deal
Grimsby, ON
98 km away
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:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
95,622
Stock number:
R635A
VIN:
1GTUUEEL1PZ196901

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

127,099 kilometres

$49,783

Good Deal
Grimsby, ON
98 km away
Year:
2022
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
Interior colour:
Black
Transmission:
Automatic
Mileage:
127,099
Stock number:
P227266
VIN:
1GTUUEET1NZ517266

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

86,266 kilometres

$53,900

Good Deal
Midland, ON
89 km away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
86,266
Stock number:
00U472
VIN:
3GTUUEET7NG659766

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

148,545 kilometres

$41,998

Good Deal
Grimsby, ON
98 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
148,545
Stock number:
R677B
VIN:
1GTU9EET0MZ170559

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

172,814 kilometres

$38,898

Good Deal
Grimsby, ON
98 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:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
172,814
Stock number:
T108A
VIN:
1GTU9EET4MZ315165

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

38,616 kilometres

$64,991

Good Deal
Richmond Hill, ON
53 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
Transmission:
Automatic
Mileage:
38,616
Stock number:
AP1939
VIN:
3GTUUEE83RG239147

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

197,634 kilometres

$37,995

Good Deal
Certified Pre-Owned
Brampton, ON
40 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
197,634
Stock number:
206082B
VIN:
1GTU9EETXMZ239533

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

64,460 kilometres

$64,296

Good Deal
Certified Pre-Owned
Barrie, ON
55 km away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
64,460
Stock number:
G157811A
VIN:
3GTUUEEL6RG261843

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

70,252 kilometres

$63,232

Good Deal
Hamilton, ON
84 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:
Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
70,252
Stock number:
1009019
VIN:
3GTUUEE87RG181978

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

30,644 kilometres

$68,995

Good Deal
Guelph, ON
49 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:
SUMMIT WHITE
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
JET BLACK/KALAHARI
Transmission:
Automatic
Mileage:
30,644
Stock number:
67097
VIN:
3GTUUEE87RG202683

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

12,121 kilometres

$69,971

Good Deal
Uxbridge, ON
80 km away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
12,121
Stock number:
263239A
VIN:
3GTUUEEL9RG370183

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

76,180 kilometres

$57,499

Good Deal
Milton, ON
51 km away
Year:
2023
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:
76,180
Stock number:
PL5953
VIN:
1GTUUEEL7PZ128103

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

100,985 kilometres

$46,995

Good Deal
Certified Pre-Owned
Orillia, ON
90 km away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
White
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
100,985
Stock number:
TG114821A
VIN:
3GTP9EEL0MG414059

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

68,865 kilometres

$64,398

Fair Deal
Grimsby, ON
98 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:
68,865
Stock number:
T196A
VIN:
1GTUUEE87RZ227342

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 1500
  4. / AT4
  5. / Ontario
  6. / Mono
  • GMC Sierra 1500 Elevation in Mono ON

  • GMC Sierra 1500 Denali in Mono ON

  • GMC Sierra 1500 SLE in Mono ON

  • GMC Sierra 1500 SLT in Mono ON

  • GMC Sierra 1500 AT4 in Mono ON

  • GMC Sierra 1500 Base in Mono ON

  • GMC Sierra 1500 Work Truck in Mono ON

  • GMC Sierra 1500 SL in Mono ON

  • GMC Sierra 1500 in Orangeville ON

  • GMC Sierra 1500 in Brampton ON

  • GMC Sierra 1500 in Woodbridge ON

  • GMC Sierra 1500 in Vaughan ON

  • GMC Sierra 1500 in Innisfil ON

  • GMC Sierra 1500 in Newmarket ON

  • GMC Sierra 1500 in Guelph ON

  • GMC Sierra 1500 in Barrie ON

  • GMC Sierra 1500 in Concord ON

  • GMC Sierra 1500 in Mono ON

  • Best Work Trucks for Sale in Mono ON

  • GMC Sierra 1500 in Alberta

  • GMC Sierra 1500 in British Columbia

  • GMC Sierra 1500 in Manitoba

  • GMC Sierra 1500 in New Brunswick

  • GMC Sierra 1500 in Newfoundland and Labrador

  • GMC Sierra 1500 in Northwest Territories

  • GMC Sierra 1500 in Nova Scotia

  • GMC Sierra 1500 in Nunavut

  • GMC Sierra 1500 in Ontario

  • GMC Sierra 1500 in Prince Edward Island

  • GMC Sierra 1500 in Quebec

  • GMC Sierra 1500 in Saskatchewan

  • GMC Sierra 1500 in Yukon

  • 2019 GMC Sierra 1500 AT4 in Mono ON

  • All Used Cars

  • Cheap Cars

  • Manual Transmission Cars

  • Sports Cars

  • Hybrid Cars

  • Red Interior Cars

  • Electric Cars

  • Small Cars

  • AWD Cars

  • Cheap Automatic Transmission Cars

  • Classic Trucks

  • Conversion Vans

  • Three Quarter Ton Trucks

  • Diesel Trucks

  • Small Trucks

  • Chevrolet Diesel Trucks

  • Manual Diesel Trucks

  • One Ton Trucks

  • Cheap Trucks

  • Ford Trucks

  • Cheap SUVs

  • Mercedes-Benz Convertibles

  • Ford Diesel Trucks

  • Mercedes-Benz SUVs

  • BMW Convertibles

  • Chevrolet SUVs

  • Toyota SUVs

  • Nissan SUVs

  • Used Cars Under $10,000

  • Used Cars Under $5,000

  • Used Sedans for Sale with Low Mileage

  • Used SUVs / Crossovers for Sale with Low Mileage

  • Used Hatchbacks for Sale with Low Mileage

  • Used Convertibles for Sale with Low Mileage

  • Used Vans for Sale with Low Mileage

  • Used Minivans for Sale with Low Mileage

  • Used Pickup Trucks for Sale with Low Mileage

  • Used Coupes for Sale with Low Mileage

  • Used Wagons for Sale with Low Mileage

  • Georgian Chevrolet Buick GMC

  • Roy Foss Woodbridge Chevrolet Buick GMC Cadillac

  • Wallace Chevrolet Buick Cadillac

  • Roy Foss Motors Ltd.

  • Gateway Chevrolet Buick GMC

  • Wilson-Niblett

  • NewRoads Chevrolet Cadillac Buick GMC

  • Budds' Chevrolet Cadillac Buick GMC

  • Leggat Chevrolet Cadillac Buick GMC

  • Highland Chevrolet Buick GMC Cadillac

  • Scherer Chevrolet Buick GMC

  • Robinson Auto Group

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

© 2025 CarGurus, Inc., All Rights Reserved.