Used GMC Sierra 1500 AT4 for Sale near Dowling, ON

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112 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:
Black
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
12,207
Stock #:
36195G
VIN:
3GTUUEEL9TG136195
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Tom Smith Chevrolet Buick GMC

Sponsored by Tom Smith Chevrolet Buick GMC

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,207 km

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

$69,900

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:
Black
Transmission:
Automatic
Mileage:
23,095
Stock #:
260319G
VIN:
3GTUUEE85SG245179
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

23,095 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

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

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

24,938 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

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
212 km away
Good Deal

$40,995

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:
18,958
Stock #:
24721G
VIN:
3GTUUEE81TG224721
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

18,958 km

Midland, ON
211 km away
Fair Deal

$68,500

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:
Automatic
Mileage:
56,753
Stock #:
26376A
VIN:
3GTUUEE87SG225659
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$4,000

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

56,753 km

Collingwood, ON
226 km away
Great Deal
Certified Pre-Owned

$63,995

$59,995

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:
148,600
Stock #:
K0904
VIN:
3GTU9EET0MG334408
Red 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$1,000

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

148,600 km

Home delivery from Barrie, ON
Price includes $515 shipping
Great Deal

$36,980

$36,495

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:
89,437
Stock #:
00U643
VIN:
3GTUUEEL5PG317588
White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

89,437 km

Midland, ON
212 km away
Good Deal

$50,995

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
38,631
Stock #:
26046A
VIN:
3GTUUEEL6SG100639
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

38,631 km

Meaford, ON
205 km away
Fair Deal

$64,988

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:
62,998
Stock #:
PG101823
VIN:
3GTUUEE80PG101823
White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

62,998 km

Home delivery from Cobourg, ON
Price includes $361 shipping
Good Deal

$54,351

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
241 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
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
Blue 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

51,219 km

Home delivery from Ottawa, ON
Price includes $398 shipping
Good Deal

$57,396

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:
40,739
Stock #:
46385G
VIN:
3GTUUEEL7SG246385
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,500

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

40,739 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

$61,500

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
183,115
Stock #:
N26165BX
VIN:
1GTU9EET8LZ323705
Gray 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

183,115 km

Home delivery from Kipling, SK
Price includes $3,491 shipping
Fair Deal

$37,391

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:
Black
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
12,207
Stock #:
36195G
VIN:
3GTUUEEL9TG136195
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Tom Smith Chevrolet Buick GMC

Sponsored by Tom Smith Chevrolet Buick GMC

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,207 km

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

$69,900

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:
Black
Transmission:
Automatic
Mileage:
23,095
Stock #:
260319G
VIN:
3GTUUEE85SG245179
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

23,095 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

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

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

24,938 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

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
212 km away
Good Deal

$40,995

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:
18,958
Stock #:
24721G
VIN:
3GTUUEE81TG224721
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

18,958 km

Midland, ON
211 km away
Fair Deal

$68,500

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:
Automatic
Mileage:
56,753
Stock #:
26376A
VIN:
3GTUUEE87SG225659
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$4,000

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

56,753 km

Collingwood, ON
226 km away
Great Deal
Certified Pre-Owned

$63,995

$59,995

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:
148,600
Stock #:
K0904
VIN:
3GTU9EET0MG334408
Red 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$1,000

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

148,600 km

Home delivery from Barrie, ON
Price includes $515 shipping
Great Deal

$36,980

$36,495

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:
89,437
Stock #:
00U643
VIN:
3GTUUEEL5PG317588
White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

89,437 km

Midland, ON
212 km away
Good Deal

$50,995

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
38,631
Stock #:
26046A
VIN:
3GTUUEEL6SG100639
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

38,631 km

Meaford, ON
205 km away
Fair Deal

$64,988

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:
62,998
Stock #:
PG101823
VIN:
3GTUUEE80PG101823
White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

62,998 km

Home delivery from Cobourg, ON
Price includes $361 shipping
Good Deal

$54,351

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
241 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
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
Blue 2024 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

51,219 km

Home delivery from Ottawa, ON
Price includes $398 shipping
Good Deal

$57,396

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:
40,739
Stock #:
46385G
VIN:
3GTUUEEL7SG246385
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,500

 

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

40,739 km

Midland, ON
211 km away
Good Deal
Certified Pre-Owned

$64,000

$61,500

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Gray
Transmission:
Automatic
Mileage:
183,115
Stock #:
N26165BX
VIN:
1GTU9EET8LZ323705
Gray 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

183,115 km

Home delivery from Kipling, SK
Price includes $3,491 shipping
Fair Deal

$37,391

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?