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New GMC Sierra 1500 AT4 for Sale near Port Stanley, ON

69 results
Port Stanley, ON
2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$81,965

Petrolia, ON
82 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
15
Stock number:
6460700
VIN:
3GTUUEE84TG310248

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$83,523

Exeter, ON
76 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Silver
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
107673
VIN:
3GTUUEE8XTG354903

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$84,145

Simcoe, ON
75 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Silver
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
200
Stock number:
26T138
VIN:
1GTUUEE82TZ302973

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$84,548

Exeter, ON
76 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
15
Stock number:
107428
VIN:
3GTUUEE82TG326254

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$85,658

Simcoe, ON
75 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
15
Stock number:
26T142
VIN:
1GTUUEE82TZ357973

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,832

Simcoe, ON
75 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Silver
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
11
Stock number:
26T130
VIN:
1GTUUEE89TZ351913

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,017

Simcoe, ON
75 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock number:
26T141
VIN:
1GTUUEE85TZ358003

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,490

Petrolia, ON
82 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
15
Stock number:
6460720
VIN:
3GTUUEE80TG310389

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,490

Petrolia, ON
82 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
15
Stock number:
6460810
VIN:
1GTUUEE84TZ339247

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,533

New Hamburg, ON
87 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Red
Interior colour:
Black
Transmission:
Automatic
Mileage:
12
Stock number:
N2810-26
VIN:
3GTUUEEL6TG254933

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,683

Wallaceburg, ON
98 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
26244
VIN:
3GTUUEE85TG257737

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,738

Exeter, ON
76 km away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Silver
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
281
Stock number:
107695
VIN:
3GTUUEE80TG328522

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,768

New Hamburg, ON
87 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
N2816-26
VIN:
1GTUUEE80TZ298017

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$87,083

New Hamburg, ON
87 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
N2817-26
VIN:
1GTUUEE85TZ297817

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$87,083

New Hamburg, ON
87 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
0
Stock number:
N2820-26
VIN:
1GTUUEE84TZ297775

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$87,297

Simcoe, ON
75 km away
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
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
12
Stock number:
26T140
VIN:
1GTUUEE87TZ357953

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$87,398

New Hamburg, ON
87 km away
Year:
2026
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:
0
Stock number:
N2884-26
VIN:
1GTUUEEL5TZ332201

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$87,612

Exeter, ON
76 km away
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
Transmission:
Automatic
Mileage:
15
Stock number:
106711
VIN:
3GTUUEEL6TG239820

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / AT4
  5. / Ontario
  6. / Port Stanley
Reviews
FAQs

4 Overall rating

(2 reviews)
Anonymous
5.0
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Sep. 08, 2024

The truck had all the features I wanted and the price was in-line, or better with others in my search.

Buddy H
3.0
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Jan. 05, 2025

Slightly over priced for the miles I would pay $29000-$30000 all day

GMC Sierra 1500 AT4 FAQs

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 14 L/100km (or EV battery range).

What fuel types are available?

Diesel, Gasoline engines are available.

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