2021 GMC Sierra 1500 AT4 
in Southey 

 Automatic
Ext: Black
Onyx Black
2021 GMC Sierra-1500 used pre-owned, Ext:Black, int:, AT4, 0. Southey Mainline Chrysler. 14713-1
  • 2021 GMC Sierra-1500 used pre-owned, Ext:Black, int:, AT4, 0. Southey Mainline Chrysler. 14713-1
    GMC Sierra-1500 2021 Pictures available soon
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
  • Category: Trucks
  • Exterior Colour: Onyx Black
  • Kilometers: 8 km
  • Stock #: 14713
  • VIN: 3GTP9EEL5MG426627
  • See options
  • Transmission: Automatic
  • Fuel: Gas
  • Engine: 6.2L
  • Cylinders: 8

Key features of the 2021 GMC Sierra 1500 

6.2L V8 Power

High-output 6.2L V8 for strong towing and impressive acceleration.

AT4 Off-Road Package

Factory 2-inch lift, underbody skid plates, and off-road tuned suspension.

Premium Interior

Heated leather seats, exclusive AT4 accents, and spacious Crew Cab comfort.

Advanced Trailering Tech

Innovative trailer assist features and in-vehicle trailering app.

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 

2021 GMC Sierra 1500 AT4 AT4
Built for drivers who want real V8 power and serious truck capability, this used 2021 GMC Sierra 1500 AT4 brings premium strength to every trip in Watrous. Finished in Black and powered by a 6.2-litre V8 gas engine with automatic transmission, this GMC pickup delivers confident performance for work, towing, and daily driving.

At Manitou Mainline Chrysler, this 2021 GMC Sierra 1500 AT4 stands out with its bold off-road-focused character and upscale full-size truck design. The AT4 trim is known for blending rugged hardware with refined comfort, giving you a capable half-ton truck that feels ready for the highway, the jobsite, or the back roads.

FEATURES OF THE Sierra 1500 AT4

»» Factory off-road focused AT4 truck package
»» Standard four-wheel drive for added traction
»» Elevated ride height for rough terrain
»» Distinct GMC AT4 exterior styling cues

TRUCK FEATURES

»» Strong 6.2-litre V8 towing confidence
»» Half-ton pickup versatility for daily tasks
»» Off-road suspension supports uneven terrain
»» Durable truck bed for cargo duty

ADVANCED SAFETY FEATURES

»» Rear vision camera aids reversing visibility
»» StabiliTrak helps maintain directional vehicle control
»» Tire pressure monitoring supports safer driving
»» Multiple airbags enhance occupant protection

PERFORMANCE AND EFFICIENCY

»» 6.2-litre V8 delivers strong acceleration
»» Automatic transmission provides smooth shifting response
»» Four-wheel drive improves traction in conditions
»» Capable chassis supports towing and hauling

COMFORT AND CONVENIENCE

»» Spacious cabin offers everyday driving comfort
»» Dual-purpose layout suits work and travel
»» Four full doors ease passenger access
»» Elevated stance gives commanding road view

TECHNOLOGY AND CONNECTIVITY

»» Touchscreen interface supports simple media access
»» Bluetooth connectivity helps hands-free communication
»» USB connections support device charging needs
»» Driver information display shows key data

CARGO SPACE

»» Pickup bed handles gear and supplies
»» Flexible cargo area suits weekend projects
»» Cabin storage helps organize smaller items
»» Rear seating area adds extra utility

AWARDS & RECOGNITIONS

»» Top Safety Pick, Insurance Institute for Highway Safety, 2021

WHAT OTHER OWNERS LIKE

»» Strong V8 power for towing confidence
»» Comfortable ride for a full-size truck
»» Off-road capability with daily usability
»» Spacious cabin with practical versatility

The 2021 GMC Sierra 1500 AT4 is a smart choice for drivers who want premium truck comfort without giving up real capability. Its 6.2-litre V8 gas engine gives this GMC pickup impressive muscle, while the automatic transmission helps deliver smooth, easy performance in town and on the highway.

This 2021 GMC Sierra 1500 AT4 also appeals to truck buyers who value a strong presence and proven versatility. Its Black exterior adds a clean, bold look that suits the rugged nature of this full-size pickup. Whether you need a truck for towing, hauling, road trips, or year-round prairie driving, this GMC is ready to perform.

This 2021 GMC Sierra 1500 AT4's VIN is: 3GTP9EEL5MG426627.

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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