Experience the 2026 GMC Sierra 1500 AT4 in Onyx Black — a rugged yet refined diesel-powered crew cab built for Canadian drivers who demand power, comfort, and advanced technology.

Designed for those who tackle both city streets and off-road trails, this 4x4 pickup combines a turbocharged straight-six diesel engine with a smooth 10-speed automatic transmission, delivering impressive torque and fuel efficiency. The AT4 trim offers a sophisticated balance of capability and luxury, featuring heated and cooled leather front seats with adjustable lumbar support and memory settings, ensuring comfort on long hauls or daily commutes. Safety is paramount with a comprehensive suite including blind spot monitoring, lane keeping assist, front collision mitigation, and an aerial view display system that provides a 360-degree perspective for confident manoeuvring.

The Sierra 1500 AT4’s bed liner and integrated tailgate step simplify loading and unloading, while running boards and heated mirrors add convenience in harsh weather. Inside, stay connected with smart device integration, WiFi hotspot, and a premium sound system, all controlled effortlessly via the adaptive cruise control and steering wheel audio controls. Whether towing heavy loads or navigating winter roads, the locking limited-slip differential and tow hooks ensure you’re ready for any challenge. The 2026 Sierra 1500 AT4 is the ultimate partner for Canadian drivers who demand toughness without compromise.