2021 GMC Sierra 1500 AT4 

in St-Jerome, near Laval & Terrebonne 

The 2021 GMC Sierra 1500 AT4 is a full-size truck built for drivers who want serious capability, diesel efficiency, and a premium feel. Finished in Black and equipped with 4-wheel drive, this used Sierra 1500 AT4 offers confident traction, a bold stance, and proven strength for work or weekend travel.

With 141,680 km, this 2021 GMC Sierra 1500 AT4 shows the durability expected from a well-engineered pickup. Its 3.0-litre Duramax turbodiesel I6 engine pairs with an electronic 10-speed automatic transmission for smooth power delivery, strong low-end torque, and relaxed highway cruising. It is a smart choice for drivers who value towing confidence and fuel-conscious truck performance.

FEATURES OF THE Sierra 1500 AT4
»» Factory off-road focused AT4 suspension
»» Standard 4-wheel drive capability included
»» Distinctive AT4 styling and stance
»» Duramax diesel power for strong torque

TRUCK FEATURES
»» Strong diesel torque for towing confidence
»» 4-wheel drive helps on rough terrain
»» Pickup box supports work and gear
»» Full-size truck capability for daily tasks

ADVANCED SAFETY FEATURES
»» Rear vision camera aids reversing
»» StabiliTrak helps maintain vehicle control
»» Tire pressure monitoring supports safety
»» Multiple airbags enhance occupant protection

PERFORMANCE AND EFFICIENCY
»» 3.0-litre Duramax turbodiesel I6 engine
»» Electronic 10-speed automatic transmission included
»» 4-wheel drive for added traction
»» Diesel efficiency suits long highway trips

COMFORT AND CONVENIENCE
»» Spacious cabin for daily comfort
»» Four full doors ease cabin access
»» Automatic transmission reduces driving effort
»» Practical layout supports busy routines

TECHNOLOGY AND CONNECTIVITY
»» Driver information display keeps data visible
»» Bluetooth connectivity supports hands-free use
»» Infotainment system centralizes key functions
»» USB connections help charge devices

CARGO SPACE
»» Pickup bed handles tools and supplies
»» Box area suits work equipment
»» Rear cabin adds extra storage flexibility
»» Full-size design supports larger loads

AWARDS & RECOGNITIONS
»» Best Buy Award, The Car Guide, 2021
»» Top Large Light Duty Pickup, Auto123, 2021

WHAT OTHER OWNERS LIKE
»» Strong diesel torque for easy hauling
»» Comfortable ride for a full-size truck
»» Confident traction in poor weather
»» Useful bed and cabin versatility

This used 2021 GMC Sierra 1500 AT4 stands out with its blend of diesel power, off-road-ready character, and everyday usability. The Black exterior gives it a clean and commanding look, while the 4-wheel drive system helps it stay ready for changing road and weather conditions around Mirabel and beyond.

For drivers shopping at St-Jérôme Chrysler Jeep Dodge RAM Fiat, this 2021 GMC Sierra 1500 AT4 delivers the kind of truck capability that remains in demand. It is well suited for towing, carrying equipment, commuting, and road trips, all while benefiting from the efficiency and torque of the 3.0-litre Duramax turbodiesel engine.

This 2021 GMC Sierra 1500 AT4's VIN is: 1GTU9EET4MZ210643 .