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. Combining upscale SLT appointments with the strength and versatility of a full-size pickup, this Sierra is ready for demanding work, confident towing and comfortable everyday driving.

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, loose gravel and changing Southwestern Ontario road conditions.

Inside, the spacious Crew Cab provides generous passenger room and premium comfort. The SLT cabin features leather-appointed seating, 10-way power-adjustable front seats with power lumbar support and convenient storage for work supplies and personal belongings. A 13.4-inch GMC infotainment touchscreen and 12.3-inch digital Driver Information Centre place navigation, entertainment and vehicle information within easy reach.

Chrome grille accents, chrome door handles and chrome front and rear bumpers give the Sierra SLT a refined, commanding appearance. Its high-strength steel cargo bed provides practical space for tools, building materials, recreational equipment and weekend projects, while available trailering technology helps simplify hitching and towing.

GMC Pro Safety provides a suite of driver-assistance technologies designed to enhance awareness and confidence on the road. Whether travelling between job sites, towing a trailer or heading out for a weekend away, this Sierra offers the comfort, technology and capability modern truck drivers demand.

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 today.