Take on demanding jobs, challenging roads and weekend adventures in this new 2026 GMC Sierra 1500 AT4 Crew Cab Short Box 4-Wheel Drive, available at MacFarlane Chevrolet Buick GMC in Petrolia, Ontario.

Powered by the 3.0L Duramax Turbo-Diesel inline-six engine and paired with a smooth 10-speed automatic transmission, this Sierra AT4 delivers strong low-end torque, confident towing capability and impressive highway performance.

Built for drivers who want premium comfort with genuine off-road capability, the AT4 features a 2-inch factory lift, off-road suspension, Rancho monotube shocks, a two-speed Autotrac transfer case and protective underbody skid plates.

The spacious Crew Cab provides generous seating and legroom for passengers, while the versatile short cargo box offers practical space for tools, equipment, recreational gear and everyday hauling.

Inside, the distinctive Jet Black interior with Kalahari accents creates a refined and unmistakably AT4 atmosphere. Heated and ventilated front seats, a heated steering wheel, advanced digital displays and modern connectivity help keep every drive comfortable and convenient.

The large touchscreen infotainment system provides convenient access to entertainment, vehicle settings and compatible smartphone features through Apple CarPlay and Android Auto. A configurable digital Driver Information Centre keeps important vehicle and driving information clearly visible.

Whether you need a capable work truck, a comfortable daily driver or a premium pickup ready for outdoor adventures, the GMC Sierra 1500 AT4 delivers an excellent combination of diesel capability, advanced technology and rugged design.

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.