Used GMC Sierra 1500 AT4 for Sale nearCollingwood, ON

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183 vehicles found
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Black
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
35,090
Stock #:
R4691
VIN:
3GTUUEE86TG156173
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Robinson Auto Group

Sponsored by Robinson Auto Group

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

35,090 km

Guelph, ON
107 km away
Fair Deal
Certified Pre-Owned

$72,995

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
Transmission:
Automatic
Mileage:
23,200
Stock #:
8283A
VIN:
3GTUUEE88SG204450
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

23,200 km

Trenton, ON
213 km away
Good Deal

$65,616

$63,616

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
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,100

Sponsored Listing

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,502 km

Midland, ON
39 km away
Fair Deal
Certified Pre-Owned

$72,000

$69,900

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
Interior colour:
Black
Transmission:
Automatic
Mileage:
72,126
Stock #:
502228
VIN:
3GTP9EED0MG359010
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

72,126 km

Sarnia, ON
240 km away
Great Deal
Certified Pre-Owned

$40,000

Year:
2023
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:
133,180
Stock #:
8637
VIN:
1GTUUEELXPZ197335
Black 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

133,180 km

Orillia, ON
63 km away
Fair Deal
Certified Pre-Owned

$48,995

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
Black 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

42,981 km

Bolton, ON
82 km away
Great Deal

$53,994

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
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

46,172 km

Peterborough, ON
151 km away
Great Deal

$57,437

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
94,611
Stock #:
2893BA
VIN:
1GTR9EED7KZ198662
 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 1500

AT4 Double Cab 4WD

94,611 km

Aurora, ON
81 km away
Fair Deal

$36,995

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
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

112,931 km

Midland, ON
39 km away
Good Deal

$40,995

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 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

93,589 km

Virgil, ON
167 km away
Good Deal

$48,988

$46,988

Year:
2022
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:
109,322
Stock #:
2461P
VIN:
3GTPUEEL8NG504429
Black 2022 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

109,322 km

Bolton, ON
82 km away
Good Deal
Certified Pre-Owned

$46,995

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
White
Transmission:
Automatic
Mileage:
151,732
Stock #:
MG106428
VIN:
3GTP9EELXMG106428
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,388

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

151,732 km

Peterborough, ON
151 km away
Good Deal

$37,912

$35,524

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:
46,417
Stock #:
261184A
VIN:
3GTUUEEL2RG172948
Black 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

46,417 km

Port Hope, ON
166 km away
Great Deal

$52,888

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Silver
Interior colour:
Gray
Transmission:
Automatic
Mileage:
125,117
Stock #:
18-260570B
VIN:
1GTU9EETXMZ105878
Silver 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

125,117 km

Ajax, ON
120 km away
Good Deal

$38,816

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
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

55,501 km

Uxbridge, ON
98 km away
Good Deal

$60,760

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Black
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
35,090
Stock #:
R4691
VIN:
3GTUUEE86TG156173
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Robinson Auto Group

Sponsored by Robinson Auto Group

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

35,090 km

Guelph, ON
107 km away
Fair Deal
Certified Pre-Owned

$72,995

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
Transmission:
Automatic
Mileage:
23,200
Stock #:
8283A
VIN:
3GTUUEE88SG204450
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

23,200 km

Trenton, ON
213 km away
Good Deal

$65,616

$63,616

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
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,100

Sponsored Listing

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,502 km

Midland, ON
39 km away
Fair Deal
Certified Pre-Owned

$72,000

$69,900

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
Interior colour:
Black
Transmission:
Automatic
Mileage:
72,126
Stock #:
502228
VIN:
3GTP9EED0MG359010
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

72,126 km

Sarnia, ON
240 km away
Great Deal
Certified Pre-Owned

$40,000

Year:
2023
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:
133,180
Stock #:
8637
VIN:
1GTUUEELXPZ197335
Black 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

133,180 km

Orillia, ON
63 km away
Fair Deal
Certified Pre-Owned

$48,995

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
Black 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

42,981 km

Bolton, ON
82 km away
Great Deal

$53,994

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
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

46,172 km

Peterborough, ON
151 km away
Great Deal

$57,437

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
94,611
Stock #:
2893BA
VIN:
1GTR9EED7KZ198662
 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 1500

AT4 Double Cab 4WD

94,611 km

Aurora, ON
81 km away
Fair Deal

$36,995

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
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

112,931 km

Midland, ON
39 km away
Good Deal

$40,995

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 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

93,589 km

Virgil, ON
167 km away
Good Deal

$48,988

$46,988

Year:
2022
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:
109,322
Stock #:
2461P
VIN:
3GTPUEEL8NG504429
Black 2022 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

109,322 km

Bolton, ON
82 km away
Good Deal
Certified Pre-Owned

$46,995

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
White
Transmission:
Automatic
Mileage:
151,732
Stock #:
MG106428
VIN:
3GTP9EELXMG106428
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,388

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

151,732 km

Peterborough, ON
151 km away
Good Deal

$37,912

$35,524

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:
46,417
Stock #:
261184A
VIN:
3GTUUEEL2RG172948
Black 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

46,417 km

Port Hope, ON
166 km away
Great Deal

$52,888

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Silver
Interior colour:
Gray
Transmission:
Automatic
Mileage:
125,117
Stock #:
18-260570B
VIN:
1GTU9EETXMZ105878
Silver 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

125,117 km

Ajax, ON
120 km away
Good Deal

$38,816

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
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

55,501 km

Uxbridge, ON
98 km away
Good Deal

$60,760

4.0 Overall rating

(2 reviews)

Filter by rating


Anonymous

5.0

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

3.0

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?