New GMC Sierra 1500 AT4 for Sale near Mississippi

784 results

Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$76,355

CarGurus partner

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:: 16
Stock #:: 260620
VIN:: 3GTUUEE84TG387038

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$76,469

CarGurus partner

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:: 15
Stock #:: 6461260
VIN:: 3GTUUEE81TG388048

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$76,618

CarGurus partner

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:: White
Combined gas mileage:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 4
Stock #:: 41680
VIN:: 1GTUUEEL7TZ441680

Silver 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$76,618

CarGurus partner

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:: Silver
Combined gas mileage:: 15 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 13
Stock #:: 41314
VIN:: 1GTUUEEL4TZ441314

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,019

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:: 12
Stock #:: 26184
VIN:: 3GTUUEE87TG387826

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,363

CarGurus partner

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:: 0
Stock #:: 107999
VIN:: 3GTUUEE82TG387605

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,482

Carleton Place, ON

CarGurus partner

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 #:: 71053
VIN:: 3GTUUEE88TG371053

Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,485

CarGurus partner

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:: 25
Stock #:: N26409
VIN:: 1GTUUEE85TZ428129

Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,690

CarGurus partner

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:: 50
Stock #:: T855
VIN:: 3GTUUEE82TG384638

STERLING METALLIC 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,874

CarGurus partner

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:: 0
VIN:: 3GTUUEE80TG466996

SUMMIT WHITE 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$77,874

CarGurus partner

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:: 0
VIN:: 3GTUUEE81TG465467

White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,086

CarGurus partner

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:: 13
Stock #:: 463137
VIN:: 3GTUUEE83TG463137

Vehicle photo unavailable

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,151

CarGurus partner

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:: 99
Stock #:: G391097
VIN:: 3GTUUEE87TG391097

Vehicle photo unavailable

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,151

CarGurus partner

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:: 99
Stock #:: G391102
VIN:: 3GTUUEE87TG391102

Vehicle photo unavailable

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,151

CarGurus partner

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:: 99
Stock #:: G391105
VIN:: 3GTUUEE82TG391105

Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,155

CarGurus partner

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 #:: 61708
VIN:: 3GTUUEE87TG387048

Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,286

CarGurus partner

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:: 12
Stock #:: 6219480
VIN:: 3GTUUEE83TG390433

ONYX BLACK 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,304

Saint-Jean-sur-Richelieu, QC

CarGurus partner

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:: 161
Stock #:: T3261-neuf
VIN:: 3GTUUEE82TG377365

Vehicle photo unavailable

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,402

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: DUNE LITTORALE
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 300
Stock #:: 61338-neuf
VIN:: 1GTUUEE88TZ431977

Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,424

CarGurus partner

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:: Perforated Front Leather seating surfaces - Jet Bl
Transmission:: Automatic
Mileage:: 10
Stock #:: 61614
VIN:: 3GTUUEE81TG369032

Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,486

CarGurus partner

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:: Perforated Front Leather seating surfaces - Jet Bl
Transmission:: Automatic
Mileage:: 10
Stock #:: 61669
VIN:: 3GTUUEE85TG371186

GAZ Summit White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,647

Collingwood, ON

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: GAZ Summit White
Fuel type:: Diesel
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 4
Stock #:: 26401
VIN:: 3GTUUEE87TG392220

GBA Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,647

Collingwood, ON

CarGurus partner

Year:: 2026
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: GBA Onyx Black
Fuel type:: Diesel
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 6
Stock #:: 26431
VIN:: 3GTUUEE81TG393170

Silver 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

New car

$78,661

CarGurus partner

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
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 11,209
Stock #:: 18-260209
VIN:: 3GTUUEE87TG234640

4.0 Overall rating

Filter by rating

5 stars (1)

3 stars (1)

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?

Relevant articles

Best Diesel Trucks in Canada in 2026

Stephanie Wallcraft

Best Diesel Trucks in Canada in 2026

The number of new diesel trucks in Canada has dwindled in recent years amid concerns over carbon emissions. But one thing is certain: when you need a diesel truck, there’s no substitute.

The Best-Selling Cars in Canada in 2025

Stephanie Wallcraft

The Best-Selling Cars in Canada in 2025

It was far from a standard year for new car sales in Canada in 2022, but familiar models still stood above the rest.

The Best Pickup Trucks Under $20,000 in 2026

Stephanie Wallcraft

The Best Pickup Trucks Under $20,000 in 2026

Plenty of Canadians need affordable pickups. Here’s where to start your search if you’re shopping for a used pickup with a $20,000 budget.