2026 GMC SIERRA 2500HD AT4 Stock Number: 26427 Exterior Colour: Coastal Dune Engine: Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible Feature Highlights Four-wheel drive (4WD) capability Trailering package with enhanced towing capabilities Apple CarPlay and Android Auto compatibility Remote start system Heated front seats for added comfort Heated steering wheel for enhanced driving pleasure Advanced safety features, including lane departure warning Durable off-road tires The 2026 GMC Sierra 2500HD AT4 is a robust truck designed to tackle tough jobs with ease. With its powerful Duramax turbo-diesel engine, this heavy-duty pickup not only delivers impressive performance but is also compatible with B20 diesel for enhanced fuel flexibility. The Coastal Dune exterior provides a sleek and modern look, making it stand out on the road. This Sierra AT4 is equipped with industry-leading features that elevate it beyond the average truck. The combination of four-wheel drive and the trailering package makes it an excellent choice for those needing to haul trailers or heavy loads. Inside, drivers and passengers will benefit from the comfort of heated seats and a heated steering wheel, especially during colder months. The integration of modern technology with Apple CarPlay and Android Auto ensures seamless connectivity on every journey. In summary, the 2026 GMC Sierra 2500HD AT4 is built for drivers who demand both capability and comfort. With its well-rounded features and powerful performance, it is an outstanding choice for any heavy-duty truck enthusiast. Available now at Ingersoll Chevrolet Buick GMC. Book your test drive today.