2026 GMC Sierra 2500 AT4 

in Québec 

Meet the brand new 2026 GMC Sierra 2500 AT4, now available at Marlin Chevrolet Buick GMC in Québec. Finished in Black with a Black interior, this heavy-duty 4-door truck is built for drivers who want confident capability in every season. With 4 roues motrices and an automatic transmission, it is ready for demanding workdays, long highway pulls, and winter roads.

Under the hood, the 2026 GMC Sierra 2500 AT4 is powered by a 6.6 L diesel engine, chosen for its strong low-end torque and steady power delivery. Whether you are heading to the jobsite or leaving town with a trailer, this truck is designed to feel composed and sure-footed. For Québec winters, the included engine block heater adds real peace of mind on cold mornings.

TRUCK FEATURES
»» Heavy-duty truck built for towing
»» 4-wheel drive for tough road conditions
»» Four-door cab for crew practicality
»» Diesel torque suited to hauling loads

ADVANCED SAFETY FEATURES
»» Built for stable control in poor weather
»» Heavy-duty stance supports confident handling
»» Four-wheel drive helps maintain traction
»» Strong braking feel for loaded driving

PERFORMANCE AND EFFICIENCY
»» 6.6 L diesel for strong torque
»» Automatic transmission for smooth power delivery
»» 4-wheel drive for confident capability
»» Engine block heater for cold starts

COMFORT AND CONVENIENCE
»» Four full doors for easy access
»» Spacious cabin layout for daily usability
»» Automatic transmission reduces driver workload
»» Black-on-Black look feels clean, modern

TECHNONOLGY AND CONNECTIVITY
»» Clear driver-focused layout for easy operation
»» Modern truck design supports daily productivity
»» Automatic transmission simplifies stop-and-go traffic
»» Practical controls suited to work gloves

CARGO SPACE
»» Pickup box ready for jobsite gear
»» Strong payload focus for heavy items
»» Bed space supports tools and materials
»» Cabin space keeps valuables more secure

WHAT OTHER OWNERS LIKE
»» Diesel torque for towing confidence
»» 4-wheel drive for winter traction
»» Heavy-duty feel on the highway
»» Crew-cab practicality for busy days

WARRANTY
»» Original OEM warranty: 60000 Km
»» Coverage supports worry-free early ownership
»» Brand new vehicle, fresh from factory
»» Backed by GMC warranty protection

This 2026 GMC Sierra 2500 AT4's VIN is: 1GT1UPEY6TF212936.