Used GMC Sierra 1500 AT4 for Sale near Thornbury, ON
171 vehicles found
- 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:
- 23,095
- Stock #:
- 260319G
- VIN:
- 3GTUUEE85SG245179
Sponsored by Tom Smith Chevrolet Buick GMC
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
23,095 km
Midland, ON
39 km away
Fair Deal
$66,900
- 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:
- 37,982
- Stock #:
- 26T318A
- VIN:
- 3GTUUEE86SG161369
Sponsored Listing
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
37,982 km
Guelph, ON
107 km away
Good Deal
$64,495
- 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:
- 96,732
- Stock #:
- MG360388
- VIN:
- 3GTP9EEDXMG360388
New arrival
Sponsored Listing
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
96,732 km
Peterborough, ON
151 km away
Fair Deal
$41,659
- 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:
- 89,431
- Stock #:
- 00U62
- VIN:
- 3GTUUEEL5PG317588
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
89,431 km
Midland, ON
39 km away
Great Deal
$50,900
- 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:
- White
- Transmission:
- Automatic
- Mileage:
- 79,704
- Stock #:
- 208048U
- VIN:
- 3GTUUEE83SG208048
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
79,704 km
Port Perry, ON
39 km away
Great Deal
$58,414
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- Black
- 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
82 km away
Great Deal
$56,994
- Year:
- 2026
- 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:
- 14,000
- Stock #:
- G148486
- VIN:
- 3GTUUEEL3TG148486
Price drop
-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
14,000 km
Listowel, ON
102 km away
Great Deal
$69,995
$67,995
- 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
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
140,731 km
Brampton, ON
96 km away
Great Deal
$44,990
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 17,526
- Stock #:
- 502170
- VIN:
- 3GTUUEE81SG225530
New arrival
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
17,526 km
Sarnia, ON
240 km away
Great Deal
$65,000
- 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
New arrival
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
111,361 km
Pickering, ON
119 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:
- 76,518
- Stock #:
- UF0108
- VIN:
- 3GTUUEE85RG262283
Price drop
-$5,098
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
76,518 km
Bolton, ON
79 km away
Great Deal
$54,998
$49,900
- 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
39 km away
Good Deal
$48,571
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- Black
- Interior colour:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 128,340
- Stock #:
- P3555
- VIN:
- 3GTUUEEL0RG240177
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
128,340 km
Oakville, ON
120 km away
Good Deal
$49,888
- 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:
- 89,131
- Stock #:
- SG250171
- VIN:
- 3GTUUEE83SG250171
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
89,131 km
Trenton, ON
213 km away
Good Deal
$58,121
- Year:
- 2026
- 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:
- 12,502
- Stock #:
- 36638G
- VIN:
- 3GTUUEEL6TG136638
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,502 km
Midland, ON
39 km away
Good Deal
$72,000
- Year:
- 2026
- 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:
- 12,234
- Stock #:
- 36372G
- VIN:
- 3GTUUEEL5TG136372
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,234 km
Midland, ON
39 km away
Good Deal
$72,000
- 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
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,207 km
Midland, ON
39 km away
Good Deal
$72,000
- 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:
- 176,260
- Stock #:
- D10128
- VIN:
- 1GTP9EED3KZ283330
2019 GMC Sierra 1500
AT4 Crew Cab 4WD
176,260 km
Milton, ON
111 km away
Good Deal
$31,995
- 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
139 km away
Good Deal
$42,974
- 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
39 km away
Good Deal
$65,000
- 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
- Transmission:
- Automatic
- Mileage:
- 12,201
- Stock #:
- 35369G
- VIN:
- 3GTUUEE86TG135369
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,201 km
Midland, ON
39 km away
Good Deal
$71,500
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 12,072
- Stock #:
- 35825G
- VIN:
- 3GTUUEE86TG135825
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,072 km
Midland, ON
39 km away
Good Deal
$71,500
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Brown (Beige)
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 12,302
- Stock #:
- TG151933
- VIN:
- 3GTUUEE81TG151933
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,302 km
Peterborough, ON
151 km away
Good Deal
$70,720
- 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:
- 43,200
- Stock #:
- 460243
- VIN:
- 3GTUUEELXRG397070
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
43,200 km
Cayuga, ON
175 km away
Good Deal
$57,695
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 Thornbury, ON?
The average GMC Sierra 1500 AT4 costs about $34,906.82. The average price has decreased by -0.6% since last year. The 109 for sale near Thornbury, ON on CarGurus, range from $34,221 to $97,387 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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