Experience the power and capability of the 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box SLT, finished in an elegant Onyx Black that perfectly complements its rugged 4×4 drivetrain. This new Sierra offers unparalleled handling, making it ideal for any terrain. The exterior is enhanced with 20-inch bright face wheels featuring dark painted pockets, and all-terrain blackwall tires for superior off-road capability. Designed for both comfort and utility, the truck includes chromed tubular assist steps and moulded splash guards. The interior, clad in jet black perforated leather, offers luxury with features like front split-bench seating and under-seat storage, ensuring practicality and style. The advanced technology in this truck includes a 13.4-inch diagonal premium GMC infotainment system with a multi-touch display. Featuring built-in Google apps, it provides seamless navigation and voice assistance. Stay connected and entertained with wireless Android Auto, Apple CarPlay, Bluetooth streaming, and a Wi-Fi hotspot. Safety features like lane assist, a backup camera, and hill descent control provide peace of mind, while driver assistance systems like front and rear parking aids enhance driving convenience. Designed for those who demand power and functionality without compromising on luxury, this Sierra is perfect for both work and everyday driving. With features like the X31 Off-Road Package and the ability to support heavy loads with its hitch package, it's ready for any challenge. Contact Laplante Chevrolet Buick GMC to find out more about why the 2026 Sierra 3500HD SLT is the perfect addition to your lifestyle.