Used GMC Sierra 1500 AT4 for Sale near Oldcastle, ON
89 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
- Exterior colour:
- White
- Combined gas mileage:
- 15 L/100km
- Fuel type:
- Gasoline
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 14,000
- Stock #:
- G148486
- VIN:
- 3GTUUEEL3TG148486
Sponsored by Stop 23 Auto Sales
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
14,000 km
Listowel, ON
239 km away
Good Deal
$67,995
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- White
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 32,587
- Stock #:
- 27-018-2
- VIN:
- 3GTUUEE81SG298154
Sponsored Listing
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
32,587 km
Tilbury, ON
35 km away
Good Deal
$64,488
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 31,775
- Stock #:
- TT275A
- VIN:
- 3GTUUEE83RG421690
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
31,775 km
Blenheim, ON
69 km away
Fair Deal
$62,998
- 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:
- 55,501
- Stock #:
- W9497
- VIN:
- 3GTUUEE86SG329026
Price drop
-$2,000
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
55,501 km
Home delivery from Uxbridge, ON
Price includes $747 shipping
Great Deal
$62,760
$61,507
- 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:
- 60,166
- Stock #:
- 21051
- VIN:
- 3GTUUEELXRG355353
New arrival
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
60,166 km
Kitchener, ON
246 km away
Great Deal
$54,995
- 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
Home delivery from Brampton, ON
Price includes $917 shipping
Great Deal
$42,916
- Year:
- 2023
- 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:
- 51,415
- Stock #:
- 74666
- VIN:
- 3GTUUEE8XPG217160
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
51,415 km
Tilbury, ON
35 km away
Great Deal
$54,998
- 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
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
17,526 km
Sarnia, ON
109 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:
- 420 hp 6.2L V8
- Exterior colour:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 15 L/100km
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 126,775
- Stock #:
- E3257
- VIN:
- 3GTP9EEL0MG106521
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
126,775 km
Home delivery from St Catharines, ON
Price includes $631 shipping
Good Deal
$42,329
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 40,142
- Stock #:
- GCBP256852
- VIN:
- 1GTUUEE86SZ226852
New arrival
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
40,142 km
Home delivery from Grimsby, ON
Price includes $436 shipping
Good Deal
$64,436
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Red
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 71,152
- Stock #:
- GCBQ258246
- VIN:
- 3GTUUEE89SG178246
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
71,152 km
Home delivery from Grimsby, ON
Price includes $436 shipping
Good Deal
$61,629
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,230
- Stock #:
- 260066P
- VIN:
- 3GTU9EET0MG423265
Price drop
-$1,536
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
74,230 km
Home delivery from Ottawa, ON
Price includes $1,375 shipping
Good Deal
$45,995
$45,834
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Summit White
- Fuel type:
- Diesel
- Interior colour:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 23,136
- Stock #:
- F7JFRN
- VIN:
- 3GTUUEE80TG155486
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
23,136 km
Home delivery from Winnipeg, MB
Price includes $2,835 shipping
Good Deal
$73,123
- 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:
- Automatic
- Mileage:
- 74,230
- Stock #:
- 260066
- VIN:
- 3GTU9EET9MG423264
Price drop
-$1,536
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
74,230 km
Home delivery from Ottawa, ON
Price includes $1,375 shipping
Good Deal
$45,995
$45,834
- 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:
- 22,132
- Stock #:
- 21133
- VIN:
- 3GTUUEEL4RG336636
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
22,132 km
Kitchener, ON
246 km away
Good Deal
$61,995
- 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
Price drop
-$3,000
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
76,277 km
Home delivery from Belleville, ON
Price includes $994 shipping
Good Deal
$54,980
$52,974
- 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
Home delivery from Midland, ON
Price includes $380 shipping
Good Deal
$51,375
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- White
- Transmission:
- Automatic
- Mileage:
- 48,501
- Stock #:
- WB2107
- VIN:
- 3GTUUEELXRG370340
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
48,501 km
Home delivery from Richmond Hill, ON
Price includes $682 shipping
Good Deal
$58,338
- 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:
- 7,443
- Stock #:
- GCB268298
- VIN:
- 3GTUUEE81TG118298
Price drop
-$6,624
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
7,443 km
Home delivery from Grimsby, ON
Price includes $436 shipping
Good Deal
$78,525
$72,337
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- White
- Transmission:
- Automatic
- Mileage:
- 112,931
- Stock #:
- PT1840A
- VIN:
- 3GTU9EET5MG333142
New arrival
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
112,931 km
Home delivery from Midland, ON
Price includes $380 shipping
Good Deal
$41,375
- 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
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 47,667
- Stock #:
- MG109621
- VIN:
- 3GTU9EET4MG109621
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
47,667 km
Home delivery from Guelph, ON
Price includes $500 shipping
Good Deal
$48,988
- Year:
- 2022
- 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:
- 35,667
- Stock #:
- 26F5830A
- VIN:
- 1GTPUEELXNZ646443
New arrival
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
35,667 km
Kitchener, ON
241 km away
Good Deal
$53,595
- 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
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
14,000 km
Listowel, ON
239 km away
Good Deal
$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:
- Red
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 78,793
- Stock #:
- 6C011A
- VIN:
- 3GTUUEE85PG184231
Sponsored Listing
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
78,793 km
Blenheim, ON
69 km away
Good Deal
$51,950
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 Oldcastle, ON?
The average GMC Sierra 1500 AT4 costs about $34,245.48. The average price has decreased by -1.7% since last year. The 55 for sale near Oldcastle, ON on CarGurus, range from $38,209 to $74,171 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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