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 Newmarket, ON

65 results
Newmarket, ON
2021 GMC Sierra 1500 AT4 Crew Cab 4WD Gateway Chevrolet Buick GMC

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

197,634 kilometres

$37,995

Good Deal
Certified Pre-Owned
Brampton, ON
41 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

Sponsored

2025 GMC Sierra 1500 AT4 Crew Cab 4WD

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

30,995 kilometres

$71,995

Fair Deal
Certified Pre-Owned
Peterborough, ON
92 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
Transmission:
Automatic
Mileage:
30,995
Stock number:
UT69575
VIN:
3GTUUEE85SG169575

Sponsored

2020 GMC Sierra 1500 AT4 Crew Cab 4WD

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

144,301 kilometres

$42,888

Fair Deal
Mississauga, ON
49 km away
Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Combined gas mileage:
13 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
144,301
Stock number:
U346522
VIN:
1GTP9EED8LZ346522

Sponsored

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
95 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

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

95,622 kilometres

$55,797

Good Deal
Grimsby, ON
97 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
97 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
82 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

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

38,616 kilometres

$64,991

Good Deal
Richmond Hill, ON
18 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

148,545 kilometres

$41,998

Good Deal
Grimsby, ON
97 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
97 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

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

197,634 kilometres

$37,995

Good Deal
Certified Pre-Owned
Brampton, ON
41 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

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

154,838 kilometres

$46,995

Good Deal
Oakville, ON
70 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

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

124,998 kilometres

$49,995

Good Deal
Certified Pre-Owned
Collingwood, ON
76 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:
Summit White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
124,998
Stock number:
25308A
VIN:
3GTUUEET3NG564816

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
68 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

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

136,676 kilometres

$40,690

Good Deal
Toronto, ON
34 km away
Year:
2019
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:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
136,676
Stock number:
3834
VIN:
1GTP9EED6KZ166549

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

148,328 kilometres

$40,980

Good Deal
Barrie, ON
36 km away
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:
White
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
148,328
Stock number:
G115193A
VIN:
3GTP9EED6MG388303

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

188,867 kilometres

$32,990

Good Deal
Scarborough, ON
39 km away
Year:
2020
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:
188,867
Stock number:
26TU694A
VIN:
1GTP9EED1LZ364148

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Double Cab 4WD

105,577 kilometres

$38,690

Good Deal
Toronto, ON
34 km away
Year:
2019
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:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
105,577
Stock number:
3931
VIN:
1GTR9EED0KZ185641

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

138,823 kilometres

$45,023

Good Deal
Certified Pre-Owned
Barrie, ON
36 km away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior colour:
Blue
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
138,823
Stock number:
G378780A
VIN:
1GTPUEELXNZ606508

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
18 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

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 1500
  4. / AT4
  5. / Ontario
  6. / Newmarket

  • GMC Sierra 1500 Elevation in Newmarket ON

  • GMC Sierra 1500 Denali in Newmarket ON

  • GMC Sierra 1500 SLE in Newmarket ON

  • GMC Sierra 1500 AT4 in Newmarket ON

  • GMC Sierra 1500 SLT in Newmarket ON

  • GMC Sierra 1500 Base in Newmarket ON

  • GMC Sierra 1500 Work Truck in Newmarket ON

  • GMC Sierra 1500 SL in Newmarket ON

  • GMC Sierra 1500 in Stouffville ON

  • GMC Sierra 1500 in Richmond Hill ON

  • GMC Sierra 1500 in Vaughan ON

  • GMC Sierra 1500 in Unionville ON

  • GMC Sierra 1500 in Markham ON

  • GMC Sierra 1500 in Concord ON

  • GMC Sierra 1500 in Thornhill ON

  • GMC Sierra 1500 in Innisfil ON

  • GMC Sierra 1500 in North York ON

  • GMC Sierra 1500 in Newmarket ON

  • Best Work Trucks for Sale in Newmarket 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 Newmarket 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.

  • Boyer Chevrolet Buick GMC Ajax Ltd

  • Gateway Chevrolet Buick GMC

  • Wilson-Niblett

  • NewRoads Chevrolet Cadillac Buick GMC

  • Budds' Chevrolet Cadillac Buick GMC

  • Orillia Chevrolet Buick GMC

  • Highland Chevrolet Buick GMC Cadillac

  • Mills Buick GMC

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.