Take on serious towing, demanding work and long-distance travel in this used 2023 GMC Sierra 3500HD SLT Crew Cab 4WD, available at MacFarlane Chevrolet Buick GMC in Petrolia, Ontario. Combining heavy-duty diesel capability with premium SLT comfort, this Sierra is engineered for commercial work, agricultural use, recreational towing and everyday driving.

The 6.6L Duramax Turbo-Diesel V8 engine produces 445 horsepower and an impressive 910 lb.-ft. of torque. Paired with an Allison 10-speed automatic transmission and four-wheel drive, it delivers substantial low-end pulling power, controlled shifting and confident traction through demanding jobs and changing Southwestern Ontario road conditions.

Inside, the spacious Crew Cab provides generous passenger room and refined SLT appointments. Heated power-adjustable front seats, a heated steering wheel and dual-zone automatic climate control enhance comfort during long drives and busy workdays. An eight-inch GMC infotainment touchscreen with wireless Apple CarPlay and Android Auto compatibility keeps communication, entertainment and compatible smartphone features conveniently accessible.

The ProGrade Trailering System, integrated trailer brake controller and available camera technologies help simplify trailer connection, monitoring and manoeuvring. The durable cargo box offers practical space for tools, equipment, building materials and recreational gear, while bold chrome exterior detailing gives the Sierra SLT a polished, commanding appearance.

Whether you are towing heavy equipment, hauling supplies between job sites or heading out with a recreational trailer, this Duramax-powered Sierra delivers the strength, stability and comfort required for demanding use.

Explore this used 2023 GMC Sierra 3500HD SLT Duramax diesel 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 today.