New 2025 Gmc Sierra 3500 HD Pro

The 2026 GMC Sierra 3500 HD is engineered to take on the heaviest loads with ease and composure. GMC offers two robust powertrains, including a gas 6.6-liter V8 rated at 401 horsepower and 464 lb-ft of torque and a Duramax 6.6-liter turbo-diesel V8 delivering 470 horsepower and a massive 975 lb-ft of torque, each paired to a smooth 10-speed automatic transmission. Properly configured, the Sierra 3500 HD can tow up to 36,000 pounds with a gooseneck hitch, dually rear axle, and diesel powertrain. You can choose from regular, double, and crew cab configurations and pair them with standard or long beds to match your needs. Technology is a highlight: the available 13.4-inch infotainment system with Google Built-in integrates seamlessly with wireless Apple CarPlay and Android Auto, and an available camera system offers up to 15 unique views to simplify hitching, merging, and parking. The cabin seats up to six, with available premium materials and convenient storage solutions that make it as comfortable as it is capable. If you’re searching for a 2026 GMC Sierra 3500 HD near Fleetwood, PA, this is the heavy-duty benchmark you’ll want on your shortlist.