Highland GM Chevrolet Buick GMC
15783 Yonge St, Aurora, ON, L4G 1P4
General: 905 727-9444
Service Appointment
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2026 GMC Sierra AT4 
in Aurora 

 Automatic
Ext: Black Int: Black
2026 GMC Sierra new, Ext:Black, int:Black, AT4, 114018. Highland GM Chevrolet Buick GMC. -1
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The amount shown reflects an estimate of the amount that you can expect to pay in Canadian dollars. Taxes are excluded (unless selected otherwise). Photos for illustration purposes only. While we strive to ensure that the information on this website is accurate, we recommend contacting us directly to verify details and obtain additional information about the vehicle, including confirmation of prices, colors, trims, options, and other specifications.

Vehicle History 

2026 GMC Sierra - Specifications 

City
Highway
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  • Model: Sierra
  • Category: Truck
  • Exterior Colour: Black
  • Interior Colour: Black
  • VIN: 1GT4UPEY1TF411521
  • See options
  • Drive train: Four-wheel drive
  • Transmission: Automatic
  • Fuel: Gas
  • Towing capacity up to: 9080kg
  • Engine: 6.6 L
  • Price: 114,018

Key features of the 2026 GMC Sierra 

6.6 L Engine

Equipped with a 6.6 L engine for heavy-duty capability.

AWD Traction

AWD traction helps maintain control across varied driving conditions.

Crew Cab Comfort

Crew Cab configuration offers a spacious cabin layout.

AT4 Style

AT4 trim adds a distinctive truck identity.

The key features listed may depend on the trim, options, or equipment package.

Safety features of the 2026 GMC Sierra 

Advanced Collision Alert

Alerts you to potential collisions, keeping you and your loved ones safer every mile.

Lane Keep Assist

Gently steers you back if you drift, ensuring you stay confidently in your lane.

Adaptive Cruise Control

Automatically adjusts your speed to maintain a safe distance from vehicles ahead.

360° Surround Vision

Provides a birds-eye view for easier, safer parking and maneuvering in tight spaces.

The safety features listed may depend on the trim, options, or equipment package.

2026 GMC Sierra - Description 

2026 GMC Sierra Heavy Duty at4

2026 GMC Sierra - Options 

2026 GMC Sierra - Technical Specifications 

  • Fuel:
  • Fuel efficiency:  
    • City: Liters / 100 Km
    • Highway: Liters / 100 Km
  • Horse Power: Hp at Rpm
  • Torque: Lbs at Rpm
  • Trunk space: Liters
  • Vehicle weight: Kg
  • Length: mm
  • Width: mm
  • Height: mm

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While we strive to ensure that the information on this website is accurate, we recommend contacting us directly to verify details and obtain additional information about the vehicle, including confirmation of prices, colors, trims, options, and other specifications.
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