Olivier Chrysler Mascouche
3035, Chemin Gascon, Mascouche, QC, J7L 3X7
450 477-6348

2021 GMC Sierra 1500 AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4 
in Mascouche 

194,302 km
 Automatic
Ext: White Int: Black
Great Value
2021 GMC Sierra-1500 used pre-owned, Ext:White, int:Black, AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4, 30495. Olivier Chrysler Mascouche. P6262-1
  • 2021 GMC Sierra-1500 used pre-owned, Ext:White, int:Black, AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4, 30495. Olivier Chrysler Mascouche. P6262-1
    GMC Sierra-1500 2021 - Photo #1
  • 2021 GMC Sierra-1500 used pre-owned, Ext:White, int:Black, AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4, 30495. Olivier Chrysler Mascouche. P6262-2
    GMC Sierra-1500 2021 - Photo #2
  • 2021 GMC Sierra-1500 used pre-owned, Ext:White, int:Black, AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4, 30495. Olivier Chrysler Mascouche. P6262-3
    GMC Sierra-1500 2021 - Photo #3
  • 2021 GMC Sierra-1500 used pre-owned, Ext:White, int:Black, AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4, 30495. Olivier Chrysler Mascouche. P6262-4
    GMC Sierra-1500 2021 - Photo #4
Taxes are excluded (unless selected otherwise). 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.

Vehicle History 

Sierra 1500

2021 GMC Sierra 1500 - Specifications 

City
Highway
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  • Model: Sierra 1500
  • Trim Level: AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4
  • Category: Trucks
  • Exterior Colour: White
  • Interior Colour: Black
  • Passengers: 5
  • Doors: 4
  • Kilometers: 194,302 km
  • Stock #: P6262
  • VIN: 1GTU9EET6MZ339905
  • See options
  • Drive train: Four-wheel drive
  • Transmission: Automatic
  • Fuel: Diesel
  • Truck bed length: 79"
  • Towing capacity up to: 4082kg
  • Engine: 3.0 L
  • Cylinders: I6
  • Price: 30,495

Key features of the 2021 GMC Sierra 1500 

AT4 Off-Road Trim

AT4 trim adds a rugged, adventure-ready identity to this Sierra 1500 crew cab.

Crew Cab Space

Crew Cab configuration offers a roomy cab layout for daily driving and longer trips.

All-Wheel Drive

AWD traction supports confident grip and control across changing road conditions.

3.0 L Engine

The 3.0 L engine balances capability and everyday usability in this full-size pickup.

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

Safety features of the 2021 GMC Sierra 1500 

Advanced Airbag System

Multiple airbags protect occupants in a collision.

Adaptive Cruise Control

Maintain a safe distance from vehicles ahead.

Blind Spot Monitoring

Detects vehicles in your blind spots.

Rear Cross Traffic Alert

Alerts when a vehicle crosses your path.

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

Top awards of the 2021 GMC Sierra 1500 

Best Full-Size Truck for Work

Automobile Journalists Association of Canada

Best Buy - Large Pickup Truck Category

Car Guide

Truck of the Year in Quebec

Quebec Automobile Journalists Association

2021 GMC Sierra 1500 - Description 

GMC Sierra 1500 AT4 Diesel Sunroof Heated and Cooled Seats 8in Screen GPS CarPlay Bose Hitch Leather 4x4
This 2021 GMC Sierra 1500 Crew Cab Long Box AT4 Diesel, available pre-owned at Olivier Chrysler Mascouche in Mascouche, is a well-traveled full-size truck with 194,302 km on the odometer, ready to keep delivering serious capability for years ahead.

The Sierra 1500 AT4 sits at the performance end of the half-ton truck segment, combining off-road-focused hardware with a well-appointed interior. The 3.0L Duramax inline-six diesel engine is known for strong torque output and solid fuel efficiency relative to its class, making it a smart pick for drivers who tow regularly or put on heavy daily mileage. This configuration is particularly well-suited for contractors, outdoor enthusiasts, or anyone needing a capable hauler with a Class IV hitch rated up to 9,000 lbs. Inside, the AT4 comes equipped with a sunroof, leather seating, and full-time 4x4 traction, while the 8-inch touchscreen with GPS, Apple CarPlay, Bose audio, and ventilated and heated front seats round out a genuinely comfortable cabin.

For financing, Olivier Chrysler Mascouche offers first, second, and third chance credit solutions, and whether you're navigating bankruptcy, a divorce, or rebuilding your credit history, our team has options to help complete your transaction - including the possibility of trading in your current vehicle. A CARFAX vehicle history report is included for your peace of mind.

Located in the Lanaudière region, Olivier Chrysler Mascouche is just minutes from Terrebonne, Repentigny, L'Assomption, Saint-Lin-Laurentides, Lachenaie and the greater area.

Contact our team today to schedule a test drive of this 2021 GMC Sierra 1500 AT4 Diesel and see how it fits your needs.

Original Manufacturer's Warranty: 60,000 KM
Warranty - Additional information
Basic warranty expired.
Powertrain warranty expired.
Class D warranty of good working order; does not qualify for a warranty of good working order.

Good Working Order Warranty
D - Legal warranty only

2021 GMC Sierra 1500 - Options 

2021 GMC Sierra 1500 - 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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