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 performance and excellent capability for towing, hauling and highway travel.

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

The bold AT4 exterior includes distinctive styling, red recovery hooks and an elevated, rugged stance. The spacious Crew Cab provides generous passenger room, while the versatile short cargo box offers practical space for tools, equipment and recreational gear.

Inside, the unique Jet Black interior with Kalahari accents delivers an unmistakably premium AT4 environment. Heated and ventilated front seats, a heated steering wheel, advanced digital displays and modern connectivity help keep every trip comfortable and convenient.

A large touchscreen infotainment system provides access to entertainment, vehicle settings and compatible smartphone features through wireless Apple CarPlay and Android Auto. A configurable digital Driver Information Centre keeps important vehicle 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 performance, advanced technology and rugged styling.

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.