2026 GMC Sierra Pro Std/box Duramax 

in Quebec 

Discover the confidence of a brand new 2026 GMC Sierra Pro Std/box Duramax at Theetge Chevrolet Buick GMC in Québec. Finished in White with a Black interior, this full-size truck is built for hard work and daily dependability. Its automatic transmission and Duramax diesel powertrain deliver the strength, control, and durability truck buyers expect.

The 2026 GMC Sierra Pro Std/box Duramax is a smart choice for drivers who want a serious pickup with a clean, professional look. The White exterior gives it a fresh and purposeful presence, while the Black cabin keeps the interior practical and easy to maintain. This new truck is ready for the jobsite, the highway, and everything in between.

FEATURES OF THE Sierra Pro Std/box Duramax
»» Duramax diesel power for strong pulling
»» Standard box adds practical cargo versatility
»» Pro trim focuses on work-ready value
»» Automatic transmission supports smooth daily operation

TRUCK FEATURES
»» Built for hauling, towing, and payload
»» Pickup bed supports tools and equipment
»» Durable truck design suits demanding tasks
»» Strong diesel torque helps under load

ADVANCED SAFETY FEATURES
»» Rear vision support aids tight manoeuvres
»» Stability control helps in poor traction
»» Traction management supports confident acceleration
»» Airbag system adds occupant protection

PERFORMANCE AND EFFICIENCY
»» Duramax diesel delivers strong low-end torque
»» Automatic transmission offers smooth gear changes
»» Full-size capability suits work and travel
»» Diesel efficiency helps on longer routes

COMFORT AND CONVENIENCE
»» Black interior offers simple, clean style
»» Spacious cabin supports daily truck use
»» Easy controls help reduce driver effort
»» Practical layout focuses on functionality first

TECHNOLOGY AND CONNECTIVITY
»» Clear driver displays support quick checks
»» Modern cabin controls feel easy to use
»» Useful infotainment access supports daily driving
»» Connectivity features assist workday communication

CARGO SPACE
»» Standard box handles gear with ease
»» Wide bed suits larger equipment loads
»» Useful space supports worksite flexibility
»» Pickup design helps organize cargo better

WHAT OTHER OWNERS LIKE
»» Strong diesel torque for demanding jobs
»» Useful bed space for daily hauling
»» Comfortable ride for a heavy-duty truck
»» Simple controls and practical cabin layout

This 2026 GMC Sierra Pro Std/box Duramax's VIN is: 1GT1ULEY3TF312663.