Used GMC Sierra 1500 AT4 for Sale near Union, ON
81 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
- Transmission:
- Automatic
- Mileage:
- 37,640
- Stock #:
- 5100
- VIN:
- 3GTUUEE80SG255604
Sponsored by Robinson Chevrolet Buick GMC Simcoe
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
37,640 km
Simcoe, ON
75 km away
Fair Deal
$65,999
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Black
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Black
- Transmission:
- Automatic
- Mileage:
- 70,283
- Stock #:
- TT373A
- VIN:
- 3GTUUEE85RG242051
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
70,283 km
Chatham, ON
85 km away
Fair Deal
$58,011
- 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
77 km away
Good Deal
$51,949
- 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
Home delivery from Uxbridge, ON
Price includes $466 shipping
Great Deal
$61,226
- 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
Home delivery from Brampton, ON
Price includes $495 shipping
Great Deal
$41,999
$41,494
- 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 $344 shipping
Good Deal
$42,042
- 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
Home delivery from Cobourg, ON
Price includes $286 shipping
Good Deal
$71,276
- 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
Home delivery from Belleville, ON
Price includes $706 shipping
Good Deal
$52,686
- 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 $255 shipping
Good Deal
$51,155
- 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
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
7,443 km
Home delivery from Grimsby, ON
Price includes $220 shipping
Good Deal
$72,121
- 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:
- 14,000
- Stock #:
- G148486
- VIN:
- 3GTUUEEL3TG148486
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
14,000 km
Home delivery from Listowel, ON
Price includes $181 shipping
Good Deal
$68,176
- 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
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
112,931 km
Home delivery from Midland, ON
Price includes $255 shipping
Good Deal
$41,250
- 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
$48,498
- 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
-$2,182
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
74,230 km
Home delivery from Ottawa, ON
Price includes $1,089 shipping
Good Deal
$44,459
$43,366
- 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
-$2,182
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
74,230 km
Home delivery from Ottawa, ON
Price includes $1,089 shipping
Good Deal
$44,459
$43,366
- 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
- Interior colour:
- Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 44,471
- Stock #:
- 107528
- VIN:
- 3GTUUEE80SG224935
Price drop
-$3,000
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
44,471 km
Exeter, ON
76 km away
Good Deal
$66,985
$63,985
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior colour:
- Black
- Interior colour:
- Gray
- Transmission:
- Automatic
- Mileage:
- 90,109
- Stock #:
- T4795
- VIN:
- 3GTPUEEL3NG560505
New arrival
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
90,109 km
Home delivery from Ottawa, ON
Price includes $489 shipping
Good Deal
$49,487
- 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:
- 89,966
- Stock #:
- T5138XA
- VIN:
- 3GTUUEET6NG592609
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
89,966 km
Stratford, ON
78 km away
Good Deal
$49,495
- 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:
- Silver
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Gray
- Transmission:
- Automatic
- Mileage:
- 79,780
- Stock #:
- T4793
- VIN:
- 3GTUUEETXNG561203
New arrival
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
79,780 km
Home delivery from Ottawa, ON
Price includes $489 shipping
Good Deal
$50,484
- 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:
- 99,050
- Stock #:
- 250732A
- VIN:
- 3GTUUEE88RG231321
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
99,050 km
London, ON
36 km away
Good Deal
$54,698
- 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:
- 61,597
- Stock #:
- 925623
- VIN:
- 3GTUUEE83PG303426
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
61,597 km
New Hamburg, ON
87 km away
Good Deal
$55,498
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior colour:
- Blue
- Combined gas mileage:
- 10 L/100km
- Fuel type:
- Diesel
- Interior colour:
- Gray
- Transmission:
- Automatic
- Mileage:
- 51,219
- Stock #:
- T4668
- VIN:
- 3GTUUEE81RG286726
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
51,219 km
Home delivery from Ottawa, ON
Price includes $489 shipping
Good Deal
$57,487
- 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
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
78,793 km
Blenheim, ON
77 km away
Good Deal
$51,949
- 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:
- 25,321
- Stock #:
- 83613
- VIN:
- 3GTUUEE80SG251228
Sponsored Listing
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
25,321 km
St Thomas, ON
11 km away
Fair Deal
$66,581
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 Union, ON?
The average GMC Sierra 1500 AT4 costs about $34,161.74. The average price has decreased by -2.9% since last year. The 83 for sale near Union, ON on CarGurus, range from $37,429 to $84,999 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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