Used GMC Sierra 1500 AT4 for Sale nearMillbrook, ON
184 vehicles found
- 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
Sponsored by Mark Wilson's Better Used Cars
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
47,667 km
Guelph, ON
151 km away
Good Deal
$47,998
- 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
- Transmission:
- Automatic
- Mileage:
- 37,300
- Stock #:
- FN7611A
- VIN:
- 3GTUUEELXRG427863
New arrival
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
37,300 km
Pickering, ON
52 km away
Good Deal
$58,888
- 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
Sponsored Listing
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
12,302 km
Peterborough, ON
29 km away
Good Deal
$69,342
- 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
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
55,501 km
Uxbridge, ON
44 km away
Great Deal
$60,760
- 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
New arrival
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
155,650 km
Milton, ON
124 km away
Great Deal
$37,495
- 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
165 km away
Great Deal
$53,995
- 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
Price drop
-$1,000
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
140,731 km
Brampton, ON
103 km away
Great Deal
$41,999
$40,999
- 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:
- 78,217
- Stock #:
- 161318
- VIN:
- 3GTUUEEL2RG161318
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
78,217 km
Oakville, ON
109 km away
Great Deal
$51,979
- 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
48 km away
Great Deal
$33,999
- 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
114 km away
Good Deal
$48,911
- 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:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 95,895
- Stock #:
- P3583
- VIN:
- 3GTUUEE82SG148439
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
95,895 km
Oakville, ON
114 km away
Good Deal
$57,438
- 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
127 km away
Good Deal
$69,000
- 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
126 km away
Good Deal
$59,500
- 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
Richmond Hill, ON
73 km away
Good Deal
$57,656
- 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
127 km away
Good Deal
$65,000
- 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:
- 93,589
- Stock #:
- 26YUK22A
- VIN:
- 3GTUUEE86PG105018
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
93,589 km
Virgil, ON
106 km away
Good Deal
$48,988
- 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:
- 92,342
- Stock #:
- 12-26511A
- VIN:
- 3GTUUEEL1RG421692
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
92,342 km
Bancroft, ON
125 km away
Good Deal
$52,900
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Gray
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 17,513
- Stock #:
- TG118630
- VIN:
- 3GTUUEE85TG118630
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
17,513 km
Cobourg, ON
33 km away
Good Deal
$70,990
- 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
29 km away
Good Deal
$69,342
- 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
126 km away
Good 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
- Transmission:
- Automatic
- Mileage:
- 23,200
- Stock #:
- 8283A
- VIN:
- 3GTUUEE88SG204450
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
23,200 km
Trenton, ON
79 km away
Good Deal
$65,616
- 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
Grimsby, ON
126 km away
Good Deal
$78,525
$71,901
- 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:
- 46,172
- Stock #:
- SG275877
- VIN:
- 3GTUUEE83SG275877
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
46,172 km
Peterborough, ON
29 km away
Good Deal
$60,668
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- White
- Transmission:
- Automatic
- Mileage:
- 75,576
- Stock #:
- RG317275
- VIN:
- 3GTUUEEL2RG317275
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
75,576 km
Peterborough, ON
29 km away
Fair Deal
$51,994
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 Millbrook, ON?
The average GMC Sierra 1500 AT4 costs about $34,179.35. The average price has decreased by -2.5% since last year. The 104 for sale near Millbrook, ON on CarGurus, range from $24,990 to $100,826 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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