Experience heavy-duty diesel capability, premium craftsmanship and unmistakable Denali styling in this new 2026 GMC Sierra 2500HD Denali Crew Cab 4-Wheel Drive, available at MacFarlane Chevrolet Buick GMC in Petrolia, Ontario.

Powered by the 6.6L Duramax Turbo-Diesel V8 engine and paired with an Allison 10-speed automatic transmission, this Sierra 2500HD delivers the torque and dependable performance needed for demanding towing, hauling, highway travel and everyday work.

The Denali exterior makes a commanding impression with its signature chrome grille, premium detailing and 20-inch Ultra-Bright machined aluminum wheels with bright chrome inserts.

Its spacious Crew Cab provides generous passenger room and comfort, making this heavy-duty truck equally suited to the job site, long-distance travel and daily driving.

Inside, the Sierra 2500HD Denali surrounds you with premium materials, authentic wood and patterned aluminum trim, Forge perforated-leather seating surfaces and 12-way heated and ventilated power front seats.

A 13.4-inch diagonal centre touchscreen and 12.3-inch diagonal digital Driver Information Centre place entertainment, connectivity, trailering information and important vehicle data within easy reach.

Advanced trailering technology and available camera views help increase visibility and confidence while connecting, towing and manoeuvring a trailer. Four-wheel drive provides additional traction for changing Ontario weather, gravel roads and demanding worksites.

Whether you require a premium tow vehicle, a powerful work truck or a refined heavy-duty pickup for everyday use, the 2026 GMC Sierra 2500HD Denali delivers exceptional diesel performance, advanced technology and professional-grade capability.

Visit MacFarlane Chevrolet Buick GMC, proudly serving Petrolia, Sarnia, Strathroy, London, Lambton County and Southwestern Ontario since 1922.

Call 519-882-1090 today to confirm availability or schedule your test drive.