Experience premium comfort, proven V8 performance and professional-grade capability in this 2026 GMC Sierra 1500 SLT Crew Cab 4WD, available at MacFarlane Chevrolet Buick GMC in Petrolia, Ontario. Designed for demanding jobs, confident towing and comfortable everyday driving, the Sierra SLT delivers the versatility Ontario truck owners need.

The 5.3L EcoTec3 V8 engine produces 355 horsepower and 383 lb.-ft. of torque and is paired with a smooth-shifting 10-speed automatic transmission. Four-wheel drive provides added traction and control when travelling through snow, rain, gravel roads and changing Southwestern Ontario conditions.

Inside, the spacious Crew Cab offers generous passenger room and premium SLT appointments. Ten-way power-adjustable front outboard seats with power lumbar provide personalized comfort, while the 13.4-inch GMC infotainment touchscreen and 12.3-inch Driver Information Centre keep navigation, entertainment and important vehicle information conveniently accessible.

Chrome grille details, chrome door handles and chrome front and rear bumpers give the Sierra SLT a refined, commanding appearance. Its versatile cargo box and capable truck platform make it ready for tools, building materials, recreational equipment and weekend projects. Available trailering technology can further support drivers towing work trailers, boats or recreational vehicles.

Explore this 2026 GMC Sierra 1500 SLT for sale in Petrolia, proudly serving Sarnia, Wyoming, Watford, Alvinston, Oil Springs and communities throughout Lambton County. Contact MacFarlane Chevrolet Buick GMC to schedule your test drive.