2026 GMC Sierra 3500 At4 Preferred 6.6d 

in Drumheller 

Built for hard work and long days, the 2026 GMC Sierra 3500 AT4 Crew Cab 4WD is ready for life in Drumheller. This brand new heavy-duty truck pairs a bold black exterior with a black interior, a strong 6.6L V8 diesel engine, and an automatic transmission for confident performance. Sold by Western Chevrolet Buick GMC, it also adds a power sunroof and steps for extra comfort and daily ease.

FEATURES OF THE Sierra 3500 At4 Crew Cab 4wd
»» AT4 off-road design with bold stance
»» Crew Cab adds roomy passenger space
»» Four-wheel drive for added traction
»» Heavy-duty build for demanding truck jobs

TRUCK FEATURES
»» Diesel power supports serious towing capability
»» Crew Cab helps carry work crews
»» Four-wheel drive aids rough road traction
»» Side steps help cabin entry

ADVANCED SAFETY FEATURES
»» Heavy-duty frame supports confident road control
»» Four-wheel drive helps in poor conditions
»» Large truck design improves road presence
»» Automatic transmission supports smooth power delivery

PERFORMANCE AND EFFICIENCY
»» 6.6L V8 diesel delivers strong torque
»» Automatic transmission supports steady performance
»» Heavy-duty design suits towing and hauling
»» Four-wheel drive boosts off-road confidence

COMFORT AND CONVENIENCE
»» Power sunroof adds light and fresh air
»» Crew Cab offers generous passenger room
»» Side steps ease entry and exit
»» Black cabin gives a clean look

TECHNOLOGY AND CONNECTIVITY
»» Driver-focused controls support easy operation
»» Clear instrument layout aids quick checks
»» Automatic transmission simplifies daily driving
»» Modern cabin design feels practical

CARGO SPACE
»» Pickup bed handles tools and gear
»» Crew Cab adds interior storage flexibility
»» Heavy-duty layout supports work equipment
»» Large truck footprint suits bigger loads

WHAT OTHER OWNERS LIKE
»» Strong diesel torque for heavy jobs
»» Spacious Crew Cab for passengers
»» Four-wheel drive for changing conditions
»» AT4 style with rugged character

This 2026 GMC Sierra 3500 At4 Crew Cab 4wd's VIN is: 1GT4UVEY6TF297259.