Used GMC Sierra 1500 AT4 for Sale near Thornton, ON
183 vehicles found
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Combined gas mileage:
- 15 L/100km
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 12,207
- Stock #:
- 36195G
- VIN:
- 3GTUUEEL9TG136195
Sponsored by Tom Smith Chevrolet Buick GMC
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,207 km
Midland, ON
44 km away
Fair Deal
$72,000
- 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:
- White
- Combined gas mileage:
- 14 L/100km
- Fuel type:
- Gasoline
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 40,739
- Stock #:
- 46385G
- VIN:
- 3GTUUEEL7SG246385
Sponsored Listing
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
40,739 km
Midland, ON
44 km away
Fair Deal
$64,000
- 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
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 21,404
- Stock #:
- U6061
- VIN:
- 3GTUUEE87TG128348
Sponsored Listing
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
21,404 km
Mississauga, ON
80 km away
Fair Deal
$68,798
- 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:
- 177,570
- Stock #:
- D10128
- VIN:
- 1GTP9EED3KZ283330
2019 GMC Sierra 1500
AT4 Crew Cab 4WD
177,570 km
Milton, ON
95 km away
Great Deal
$31,995
- Year:
- 2025
- 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:
- 28,957
- Stock #:
- 204779U
- VIN:
- 3GTUUEE80SG204779
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
28,957 km
Port Perry, ON
12 km away
Great Deal
$65,086
- 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:
- 47,629
- Stock #:
- 20900
- VIN:
- 3GTUUEEL7RG262418
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
47,629 km
Mississauga, ON
80 km away
Great Deal
$56,995
- 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:
- 155,650
- Stock #:
- D10471
- VIN:
- 3GTPUEEL5NG590153
Price drop
-$5,500
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
155,650 km
Milton, ON
95 km away
Great Deal
$42,995
$37,495
- 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:
- 43,652
- Stock #:
- 179459U
- VIN:
- 3GTUUEE89SG179459
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
43,652 km
Port Perry, ON
12 km away
Great Deal
$62,948
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 25,290
- Stock #:
- RG210290
- VIN:
- 3GTUUEEL0RG210290
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
25,290 km
Cobourg, ON
127 km away
Great Deal
$59,990
- 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:
- Gray
- Combined gas mileage:
- 14 L/100km
- Fuel type:
- Gasoline
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,364
- Stock #:
- 21049
- VIN:
- 3GTUUEEL3RG378876
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
45,364 km
Mississauga, ON
80 km away
Great Deal
$56,995
- 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:
- 92,342
- Stock #:
- 12-26511A
- VIN:
- 3GTUUEEL1RG421692
New arrival
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
92,342 km
Bancroft, ON
165 km away
Great Deal
$52,900
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 42,981
- Stock #:
- U7684
- VIN:
- 3GTUUEEL6RG240040
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
42,981 km
Bolton, ON
57 km away
Great Deal
$56,400
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Onyx Black
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Black with Brown
- Transmission:
- 10-Speed Automatic
- Mileage:
- 140,731
- Stock #:
- 23-51960AB
- VIN:
- 3GTUUEE8XPG351960
Price drop
-$2,000
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
140,731 km
Brampton, ON
74 km away
Great Deal
$43,999
$41,999
- 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:
- 111,361
- Stock #:
- 240388
- VIN:
- 1GTP9EED2MZ240381
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
111,361 km
Pickering, ON
78 km away
Great Deal
$33,999
- 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:
- 76,529
- Stock #:
- UF0108
- VIN:
- 3GTUUEE85RG262283
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
76,529 km
Bolton, ON
54 km away
Great Deal
$49,695
- 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:
- Red
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 72,777
- Stock #:
- 446930U
- VIN:
- 3GTU9EET3MG446930
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
72,777 km
Port Perry, ON
12 km away
Good Deal
$47,996
- 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:
- 76,277
- Stock #:
- R26119
- VIN:
- 3GTUUEE88RG110398
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
76,277 km
Belleville, ON
183 km away
Good Deal
$54,980
- 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:
- Black
- Fuel type:
- Gasoline
- Mileage:
- 100,516
- Stock #:
- NG1158
- VIN:
- 3GTP9EED7MG359747
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
100,516 km
Bowmanville, ON
96 km away
Good Deal
$42,974
- 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:
- 96,743
- Stock #:
- MG360388
- VIN:
- 3GTP9EEDXMG360388
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
96,743 km
Peterborough, ON
108 km away
Good Deal
$41,659
- 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:
- 64,321
- Stock #:
- 323328U
- VIN:
- 3GTUUEE83SG323328
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
64,321 km
Port Perry, ON
12 km away
Good Deal
$62,876
- 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:
- 51,077
- Stock #:
- 00U602
- VIN:
- 3GTUUEE83RG150016
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
51,077 km
Midland, ON
43 km away
Good Deal
$59,500
- 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
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 16,278
- Stock #:
- 260896G
- VIN:
- 3GTUUEE89TG225065
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
16,278 km
Midland, ON
44 km away
Good Deal
$69,000
- 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:
- White
- Combined gas mileage:
- 14 L/100km
- Fuel type:
- Gasoline
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 24,938
- Stock #:
- 47027G
- VIN:
- 3GTUUEEL8SG247027
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
24,938 km
Midland, ON
44 km away
Good Deal
$65,000
- 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:
- 205,000
- Stock #:
- 3GTU9EET9MG108013
- VIN:
- 3GTU9EET9MG108013
Sponsored Listing
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
205,000 km
Hamilton, ON
128 km away
Good Deal
$31,845
4.0 Overall rating
Filter by rating
Anonymous
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Sep 9, 2024
The truck had all the features I wanted and the price was in-line, or better with others in my search.
Is this review helpful?
Buddy H
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Jan 5, 2025
Slightly over priced for the miles I would pay $29000-$30000 all day
Is this review helpful?
FAQs
How much does the GMC Sierra 1500 AT4 cost in Thornton, ON?
The average GMC Sierra 1500 AT4 costs about $34,319.81. The average price has decreased by -1.4% since last year. The 141 for sale near Thornton, ON on CarGurus, range from $24,990 to $97,279 in price.
What is the fuel economy of the GMC Sierra 1500 AT4?
Depending on the engine and options, the GMC Sierra 1500 AT4 gets between 9 and 15 L(e)/100 km.
What fuel types are available?
Diesel, Gasoline engines are available.
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