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

221 results

Port Colborne, ON

Sort by:

2026 GMC Sierra 1500

New car

$79,494

Oshawa, ON

117 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:: STERLING METALLIC
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 12
Stock number:: 260411-new
VIN:: 3GTUUEE82TG237929

2026 GMC Sierra 1500

New car

$80,457

Collingwood, ON

194 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:: GXD Sterling Metallic
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 3,350
Stock number:: 26148
VIN:: 3GTUUEE82TG153254

2026 GMC Sierra 1500

New car

$82,794

Cobourg, ON

148 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:: Onyx Black
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Jet Black
Transmission:: Automatic
Mileage:: 7
Stock number:: T24727A
VIN:: 3GTUUEE82TG224727

2026 GMC Sierra 1500

New car

$83,269

Richmond Hill, ON

112 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
Transmission:: Automatic
Mileage:: 0
Stock number:: TG240781
VIN:: 3GTUUEE80TG240781

2026 GMC Sierra 1500

New car

$83,364

Trenton, ON

194 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:: TITANIUM RUSH METALLIC
Combined gas mileage:: 15 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 13
Stock number:: 8037-new
VIN:: 3GTUUEEL1TG116717

2026 GMC Sierra 1500

New car

$83,639

Richmond Hill, ON

112 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
Transmission:: Automatic
Mileage:: 0
Stock number:: TG232744
VIN:: 3GTUUEE89TG232744

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$83,639

Richmond Hill, ON

112 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
Transmission:: Automatic
Mileage:: 0
Stock number:: TG233099
VIN:: 3GTUUEE80TG233099

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$83,639

Richmond Hill, ON

112 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
Transmission:: Automatic
Mileage:: 0
Stock number:: TG233013
VIN:: 3GTUUEE88TG233013

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,069

Richmond Hill, ON

112 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:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 0
Stock number:: TG243760
VIN:: 3GTUUEE87TG243760

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,338

Trenton, ON

194 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:: STERLING METALLIC
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 0
Stock number:: 8525-new
VIN:: 3GTUUEE86TG246679

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,607

Trenton, ON

194 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:: COASTAL DUNE
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 630
Stock number:: 8207-new
VIN:: 3GTUUEE8XTG123743

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,965

Petrolia, ON

233 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
Transmission:: Automatic
Mileage:: 0
Stock number:: 6460570
VIN:: 1GTUUEE80TZ295506

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,282

Collingwood, ON

194 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:: GXD Sterling Metallic
Combined gas mileage:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 339
Stock number:: TT115
VIN:: 3GTUUEEL0TG100525

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,364

Oshawa, ON

117 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:: STERLING METALLIC
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 12
Stock number:: 260449-new
VIN:: 3GTUUEE87TG246318

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,453

Blenheim, ON

233 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
Transmission:: Automatic
Mileage:: 7
Stock number:: T184
VIN:: 3GTUUEE83TG239513

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,546

Trenton, ON

194 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:: SUMMIT WHITE
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 0
Stock number:: 8121-new
VIN:: 3GTUUEE89TG138329

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,577

Midland, ON

212 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:: 50
Stock number:: 260511
VIN:: 3GTUUEE8XTG157214

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,692

Port Perry, ON

179 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:: 99
Stock number:: G239419
VIN:: 3GTUUEE80TG239419

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,774

Blenheim, ON

233 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
Interior colour:: Black
Transmission:: Automatic
Mileage:: 7
Stock number:: T140
VIN:: 3GTUUEEL6TG211970

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,967

Blenheim, ON

233 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:: Red
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 7
Stock number:: T183
VIN:: 3GTUUEE83TG239026

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,978

Trenton, ON

194 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:: ONYX BLACK
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 0
Stock number:: 8546-new
VIN:: 3GTUUEE80TG256172

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,022

Collingwood, ON

194 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:: Coastal Dune
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 3
Stock number:: 26230
VIN:: 3GTUUEE86TG243216

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,075

Alliston, ON

149 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:: 18402
VIN:: 3GTUUEE86TG255995

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,169

Cobourg, ON

148 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:: Onyx Black
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Jet Black
Transmission:: Automatic
Mileage:: 4
Stock number:: T46234
VIN:: 3GTUUEE81TG246234

Reviews

FAQs

5 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.

Amjad I

5.0

Reviewed a 2019 GMC AT4 Crew Cab 4WD on Aug. 06, 2024

Great prices. The truck that I purchased is in good condition and it looks like that it was serviced.

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.