2026 GMC Sierra 2500 AT4 

in Québec 

Meet the brand new 2026 GMC Sierra 2500 AT4, now at Marlin Chevrolet Buick GMC in Québec. Finished in Black with a Black interior, this heavy-duty pickup brings bold capability, diesel strength, and real comfort for work or play. With four doors, automatic transmission, and four-wheel drive, this Sierra 2500 AT4 is built for tough Canadian conditions.

The 2026 GMC Sierra 2500 AT4 stands out with its off-road focus and heavy-duty design. Its 6.6-litre diesel engine delivers the kind of low-end torque truck owners want for hauling, towing, and long highway pulls. Added equipment like the sunroof, engine block heater, steps, backup camera, and automatic transmission make daily use easier in every season.

FEATURES OF THE Sierra 2500 AT4

»» Off-road focused heavy-duty pickup capability
»» Black exterior adds bold road presence
»» Four-wheel drive for added traction
»» Diesel power supports serious truck tasks

TRUCK FEATURES

»» Heavy-duty chassis built for demanding jobs
»» Diesel torque helps with towing confidence
»» Four-door cab adds everyday practicality
»» Side steps ease cabin entry

ADVANCED SAFETY FEATURES

»» Backup camera helps while reversing
»» Four-wheel drive improves slippery-road control
»» Heavy-duty build adds solid confidence
»» Large mirrors aid towing visibility

PERFORMANCE AND EFFICIENCY

»» 6.6-litre diesel engine delivers strong torque
»» Automatic transmission supports smooth power delivery
»» Four-wheel drive boosts off-road traction
»» Engine block heater helps cold starts

COMFORT AND CONVENIENCE

»» Sunroof brings in light and air
»» Four full doors ease passenger access
»» Side steps support easy entry
»» Spacious cabin suits work and travel

TECHNOLOGY AND CONNECTIVITY

»» Backup camera adds clear rear visibility
»» Driver-focused controls support simple operation
»» Automatic transmission reduces driving effort
»» Modern cabin layout feels practical

CARGO SPACE

»» Pickup bed handles tools and gear
»» Heavy-duty design supports work equipment
»» Cabin storage helps organize essentials
»» Four-door layout adds interior flexibility

WHAT OTHER OWNERS LIKE

»» Strong diesel pulling power under load
»» Confident four-wheel drive in winter
»» Comfortable cabin for long drives
»» Useful step bars for easy entry

WARRANTY

This 2026 GMC Sierra 2500 AT4 is a smart choice for drivers who need true heavy-duty strength without giving up comfort. It is ready for job sites, trailering, weekend travel, and winter roads across Québec. The black-on-black look adds a clean, upscale feel, while the diesel engine and AT4 identity bring the toughness this truck is known for.

At Marlin Chevrolet Buick GMC, this new 2026 GMC Sierra 2500 AT4 offers the right mix of proven truck capability and useful everyday features. If you want a brand new pickup with diesel performance, four-wheel drive confidence, and practical equipment already included, this Sierra 2500 AT4 deserves a close look.

This 2026 GMC Sierra 2500 AT4's VIN is: 1GT1UPEY7TF301155.