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 Whitby, ON

73 results
Whitby, ON
2024 GMC Sierra 1500 AT4 Crew Cab 4WD Richmond Hill Toyota

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

38,616 kilometres

$59,247

Great Deal
Richmond Hill, ON
41 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

2022 GMC Sierra 1500 AT4 Crew Cab 4WD

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

69,402 kilometres

$55,990

Fair Deal
Cobourg, ON
60 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:
69,402
Stock number:
NG593054
VIN:
3GTUUEET3NG593054

Sponsored

2025 GMC Sierra 1500 AT4 Crew Cab 4WD

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

52,523 kilometres

$66,995

Good Deal
Certified Pre-Owned
Peterborough, ON
66 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:
Silver
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
52,523
Stock number:
UT25867
VIN:
3GTUUEE83SG225867

Sponsored

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

49,509 kilometres

$62,995

Great Deal
Aurora, ON
45 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:
Gray
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
49,509
Stock number:
US4061
VIN:
3GTUUEE84SG185590

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

23,774 kilometres

$75,995

Great Deal
Certified Pre-Owned
Peterborough, ON
66 km away
Year:
2026
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:
11 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
23,774
Stock number:
UT29267
VIN:
3GTUUEE81TG129267

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

34,420 kilometres

$57,495

Great Deal
Mississauga, ON
62 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:
Red
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
34,420
Stock number:
800458A
VIN:
3GTUUEEL3PG217778

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

17,430 kilometres

$66,396

Great Deal
Port Perry, 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:
Gray
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
17,430
Stock number:
204376U
VIN:
3GTUUEE80SG204376

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

38,616 kilometres

$59,247

Great Deal
Richmond Hill, ON
41 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

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

3,371 kilometres

$78,897

Great Deal
Certified Pre-Owned
Alliston, ON
82 km away
Year:
2026
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:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
3,371
Stock number:
18444A
VIN:
3GTUUEE83TG153859

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Double Cab 4WD

105,577 kilometres

$37,490

Great Deal
Toronto, ON
46 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

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

39,700 kilometres

$65,290

Good Deal
Cobourg, ON
60 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:
39,700
Stock number:
RG202145
VIN:
3GTUUEEL6RG202145

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

151,960 kilometres

$41,995

Good Deal
Milton, ON
87 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:
White
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
151,960
Stock number:
D9756
VIN:
3GTPUEEL5NG590153

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

24,235 kilometres

$69,995

Good Deal
Peterborough, ON
66 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:
24,235
Stock number:
UT48886
VIN:
3GTUUEE85SG148886

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

22,400 kilometres

$66,490

Good Deal
Cobourg, ON
60 km away
Year:
2024
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:
22,400
Stock number:
RG240031
VIN:
3GTUUEEL5RG240031

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

68,084 kilometres

$59,995

Good Deal
Certified Pre-Owned
Peterborough, ON
66 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:
Silver
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
68,084
Stock number:
UT21293
VIN:
3GTUUEE84RG421293

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

52,523 kilometres

$66,995

Good Deal
Certified Pre-Owned
Peterborough, ON
66 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:
Silver
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
52,523
Stock number:
UT25867
VIN:
3GTUUEE83SG225867

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

168,531 kilometres

$36,998

Good Deal
St Catharines, ON
84 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:
Onyx Black
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
168,531
Stock number:
E2350
VIN:
3GTP9EEL0MG423215

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

108,024 kilometres

$49,988

Good Deal
Virgil, ON
75 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
Interior colour:
Black
Transmission:
Automatic
Mileage:
108,024
Stock number:
25T188A
VIN:
3GTUUEE82PG113701

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

11,009 kilometres

$65,925

Good Deal
Port Perry, ON
92 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:
11,009
Stock number:
434715U
VIN:
3GTUUEE83RG434715

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,433 kilometres

$78,603

Good Deal
Peterborough, ON
66 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Brown (Tan)
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
12,433
Stock number:
TG151933
VIN:
3GTUUEE81TG151933

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

163,519 kilometres

$37,995

Good Deal
Richmond Hill, 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
Transmission:
10-Speed Automatic
Mileage:
163,519
Stock number:
U433467
VIN:
3GTU9EET7MG433467

Sponsored

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

  • GMC Sierra 1500 Elevation in Whitby ON

  • GMC Sierra 1500 Denali in Whitby ON

  • GMC Sierra 1500 SLE in Whitby ON

  • GMC Sierra 1500 AT4 in Whitby ON

  • GMC Sierra 1500 SLT in Whitby ON

  • GMC Sierra 1500 Base in Whitby ON

  • GMC Sierra 1500 SL in Whitby ON

  • GMC Sierra 1500 Work Truck in Whitby ON

  • GMC Sierra 1500 SLE1 in Whitby ON

  • GMC Sierra 1500 in Oshawa ON

  • GMC Sierra 1500 in Ajax ON

  • GMC Sierra 1500 in Pickering ON

  • GMC Sierra 1500 in Markham ON

  • GMC Sierra 1500 in Stouffville ON

  • GMC Sierra 1500 in Scarborough ON

  • GMC Sierra 1500 in Unionville ON

  • GMC Sierra 1500 in Thornhill ON

  • GMC Sierra 1500 in Richmond Hill ON

  • GMC Sierra 1500 in Whitby ON

  • Best Work Trucks for Sale in Whitby 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 Whitby 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 in Whitby

  • Used SUVs / Crossovers for Sale with Low Mileage in Whitby

  • Used Hatchbacks for Sale with Low Mileage in Whitby

  • Used Convertibles for Sale with Low Mileage in Whitby

  • Used Vans for Sale with Low Mileage in Whitby

  • Used Minivans for Sale with Low Mileage in Whitby

  • Used Pickup Trucks for Sale with Low Mileage in Whitby

  • Used Coupes for Sale with Low Mileage in Whitby

  • Used Wagons for Sale with Low Mileage in Whitby

  • Georgian Chevrolet Buick GMC

  • Wilson-Niblett

  • Jack McGee Peterborough

  • Budds' Chevrolet Cadillac Buick GMC

  • Roy Foss Woodbridge Chevrolet Buick GMC Cadillac

  • Boyer Chevrolet Buick GMC Ajax Ltd

  • Williamson GM Uxbridge

  • NewRoads Chevrolet Cadillac Buick GMC

  • Gateway Chevrolet Buick GMC

  • Mills Buick GMC

  • Highland Chevrolet Buick GMC Cadillac

  • Addison on Eglinton Chevy 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

© 2026 CarGurus, Inc., All Rights Reserved.