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

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100 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:
SUMMIT WHITE
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
334
Stock #:
261226-new
VIN:
1GTUUEE88TZ413771
SUMMIT WHITE 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$77,044

$75,044

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:
10
Stock #:
TG388460
VIN:
3GTUUEE87TG388460
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,262

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$78,958

$75,696

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:
10
Stock #:
TG388188
VIN:
3GTUUEE86TG388188
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,262

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$78,958

$75,696

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
TG391340
VIN:
3GTUUEE81TG391340
Gray 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,461

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$81,157

$77,696

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
Fuel type:
Diesel
Interior colour:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
3
Stock #:
12887A
VIN:
1GTUUEE88TZ554128
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Portage La Prairie, MB
Price includes $1,609 shipping

New car

$78,458

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
488473-new
VIN:
3GTUUEE81TG488473
 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$80,533

$78,533

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
17
Stock #:
261190-new
VIN:
3GTUUEE86TG483785
SUMMIT WHITE 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$80,879

$78,879

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
106
Stock #:
261289-new
VIN:
3GTUUEE86TG487495
ONYX BLACK 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$12,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$91,569

$79,569

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
Fuel type:
Diesel
Interior colour:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
12
Stock #:
12859A
VIN:
1GTUUEE84TZ535110
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Portage La Prairie, MB
Price includes $1,609 shipping

New car

$80,294

$79,903

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
505528-new
VIN:
1GTUUEE8XTZ505528
STERLING METALLIC 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$82,358

$80,358

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
461666-new
VIN:
3GTUUEE89TG461666
ONYX BLACK 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$80,602

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
90
Stock #:
TG488026
VIN:
3GTUUEE89TG488026
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$80,752

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:
10
Stock #:
G485490
VIN:
3GTUUEE88TG485490
Vehicle photo unavailable

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Whitby, ON
97 km away

New car

$80,979

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
G486384
VIN:
3GTUUEE83TG486384
Vehicle photo unavailable

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Whitby, ON
97 km away

New car

$80,979

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
Fuel type:
Diesel
Interior colour:
JET BLACK/KALAHARI
Transmission:
Automatic
Mileage:
16
Stock #:
268169
VIN:
1GTUUEEL0TZ506126
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Burlington, ON
59 km away

New car

$83,079

$81,079

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)
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
90
Stock #:
TG487695
VIN:
3GTUUEE83TG487695
Brown (Tan) 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$81,222

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
94
Stock #:
268182
VIN:
3GTUUEE83TG391095
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$15,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Burlington, ON
59 km away

New car

$96,269

$81,269

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:
260
Stock #:
TG488566
VIN:
3GTUUEE88TG488566
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$83,417

$81,754

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
334
Stock #:
261226-new
VIN:
1GTUUEE88TZ413771
SUMMIT WHITE 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$77,044

$75,044

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:
10
Stock #:
TG388460
VIN:
3GTUUEE87TG388460
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,262

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$78,958

$75,696

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:
10
Stock #:
TG388188
VIN:
3GTUUEE86TG388188
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,262

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$78,958

$75,696

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
TG391340
VIN:
3GTUUEE81TG391340
Gray 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$3,461

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Richmond Hill, ON
96 km away

New car

$81,157

$77,696

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
Fuel type:
Diesel
Interior colour:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
3
Stock #:
12887A
VIN:
1GTUUEE88TZ554128
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Portage La Prairie, MB
Price includes $1,609 shipping

New car

$78,458

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
488473-new
VIN:
3GTUUEE81TG488473
 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$80,533

$78,533

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
17
Stock #:
261190-new
VIN:
3GTUUEE86TG483785
SUMMIT WHITE 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$80,879

$78,879

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
106
Stock #:
261289-new
VIN:
3GTUUEE86TG487495
ONYX BLACK 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$12,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Oshawa, ON
100 km away

New car

$91,569

$79,569

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
Fuel type:
Diesel
Interior colour:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
12
Stock #:
12859A
VIN:
1GTUUEE84TZ535110
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Portage La Prairie, MB
Price includes $1,609 shipping

New car

$80,294

$79,903

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
505528-new
VIN:
1GTUUEE8XTZ505528
STERLING METALLIC 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$82,358

$80,358

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
25
Stock #:
461666-new
VIN:
3GTUUEE89TG461666
ONYX BLACK 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Brampton, ON
88 km away

New car

$80,602

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
90
Stock #:
TG488026
VIN:
3GTUUEE89TG488026
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$80,752

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:
10
Stock #:
G485490
VIN:
3GTUUEE88TG485490
Vehicle photo unavailable

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Whitby, ON
97 km away

New car

$80,979

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
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
G486384
VIN:
3GTUUEE83TG486384
Vehicle photo unavailable

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Whitby, ON
97 km away

New car

$80,979

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
Fuel type:
Diesel
Interior colour:
JET BLACK/KALAHARI
Transmission:
Automatic
Mileage:
16
Stock #:
268169
VIN:
1GTUUEEL0TZ506126
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Burlington, ON
59 km away

New car

$83,079

$81,079

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)
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
90
Stock #:
TG487695
VIN:
3GTUUEE83TG487695
Brown (Tan) 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$81,222

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
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
94
Stock #:
268182
VIN:
3GTUUEE83TG391095
Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$15,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Burlington, ON
59 km away

New car

$96,269

$81,269

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:
260
Stock #:
TG488566
VIN:
3GTUUEE88TG488566
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

Home delivery from Barrie, ON
Price includes $337 shipping

New car

$83,417

$81,754

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?