Brand new and ready for work or adventure, the 2026 GMC Sierra 2500 AT4 Crew Cab 4WD brings heavy-duty diesel power, bold capability, and premium comfort to every drive. Finished in White with a Black interior, this truck at Chapman Chevrolet Buick GMC in Killarney is built for drivers who need serious strength.

With its 6.6L V8 diesel engine and automatic transmission, the 2026 GMC Sierra 2500 AT4 Crew Cab 4WD delivers confident performance for towing, hauling, and long-distance travel. The Crew Cab layout adds generous passenger room, while the included steps help make entry and exit easier in daily use.

FEATURES OF THE Sierra 2500 At4 Crew Cab 4wd

»» 6.6L V8 diesel heavy-duty power
»» Crew Cab with four-wheel drive
»» Automatic transmission for smooth operation
»» White exterior with Black interior

ADVANCED SAFETY FEATURES

»» Strong truck structure supports occupant protection
»» Four-wheel drive aids slippery road control
»» Large mirrors help improve outward visibility
»» High driving position supports road awareness

PERFORMANCE AND EFFICIENCY

»» 6.6L V8 diesel delivers robust torque
»» Automatic transmission supports smooth power delivery
»» Four-wheel drive adds traction off-road
»» Heavy-duty design supports demanding job tasks

COMFORT AND CONVENIENCE

»» Crew Cab offers roomy passenger space
»» Side steps ease cabin entry
»» Black interior creates a clean cabin
»» Automatic transmission helps reduce driver effort

TECHNOLOGY AND CONNECTIVITY

»» Clear driver information supports easy monitoring
»» Well-placed controls improve everyday usability
»» Modern truck layout feels intuitive
»» Designed for work and travel needs

TRUCK FEATURES

»» Heavy-duty chassis built for hard work
»» Diesel power supports strong towing confidence
»» Four-wheel drive helps on rough terrain
»» Pickup bed supports hauling large cargo

CARGO SPACE

»» Pickup bed handles bulky gear easily
»» Crew Cab adds interior storage flexibility
»» Wide bed area suits jobsite loads
»» Ideal for tools and outdoor equipment

WHAT OTHER OWNERS LIKE

»» Strong diesel torque for towing needs
»» Spacious Crew Cab for family travel
»» Four-wheel drive for added confidence
»» Easy access with installed steps

This 2026 GMC Sierra 2500 At4 Crew Cab 4wd's VIN is: 1GT1UPEYXTF376111.