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New GMC Sierra 1500 AT4 for Sale near Bowmanville, ON

162 results
Bowmanville, ON
2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$79,494

Oshawa, ON
13 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 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$79,739

Trenton, ON
92 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:
9
Stock number:
8525
VIN:
3GTUUEE86TG246679

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$81,379

Trenton, ON
92 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:
8
Stock number:
8546
VIN:
3GTUUEE80TG256172

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$81,479

Trenton, ON
92 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:
10
Stock number:
7940
VIN:
3GTUUEE80TG100990

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$81,659

Trenton, ON
92 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
Stock number:
8609
VIN:
1GTUUEE85TZ300294

2026 GMC Sierra 1500 AT4 Crew Cab 4WD

2026 GMC Sierra 1500

New car

$82,794

Cobourg, ON
43 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

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$82,984

Trenton, ON
92 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
Stock number:
8558
VIN:
3GTUUEE85TG249329

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$83,269

Richmond Hill, ON
59 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

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$83,639

Richmond Hill, ON
59 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
59 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

$83,959

Trenton, ON
92 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:
9
Stock number:
8495
VIN:
3GTUUEE87TG241118

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,009

Trenton, ON
92 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:
Gray
Combined gas mileage:
15 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
13
Stock number:
8037
VIN:
3GTUUEEL1TG116717

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2026 GMC Sierra 1500

New car

$84,069

Richmond Hill, ON
59 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

$84,364

Trenton, ON
92 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:
10
Stock number:
8517
VIN:
3GTUUEE88TG239894

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$84,959

Trenton, ON
92 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:
9
Stock number:
8496
VIN:
3GTUUEE87TG240521

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,069

Trenton, ON
92 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:
12
Stock number:
8542
VIN:
1GTUUEE87TZ272417

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,179

Trenton, ON
92 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:
53
Stock number:
7934
VIN:
3GTUUEE89TG100115

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$85,364

Oshawa, ON
13 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

$86,075

Alliston, ON
99 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
43 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

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,169

Cobourg, ON
43 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
Interior colour:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
T49685
VIN:
3GTUUEE85TG249685

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,184

Trenton, ON
92 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
Stock number:
8579
VIN:
3GTUUEE87TG261983

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,358

Trenton, ON
92 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:
Brown (Tan)
Combined gas mileage:
11 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
630
Stock number:
8207
VIN:
3GTUUEE8XTG123743

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car

$86,368

Oshawa, ON
13 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
VIN:
3GTUUEE80TG257094

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / AT4
  5. / Ontario
  6. / Bowmanville
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 15 L/100km (or EV battery range).

What fuel types are available?

Diesel, Gasoline engines are available.

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