The 2025 Sierra 2500 HD is a heavy-duty pickup truck manufactured by GMC. It’s a part of the Sierra collection of pickup vans and is the successor to the 2024 Sierra 2500 HD. The 2025 Sierra 2500 HD is thought for its highly effective engine, rugged building, and superior expertise options.
The 2025 Sierra 2500 HD is powered by a 6.6-liter Duramax turbodiesel V8 engine that produces 470 horsepower and 975 lb-ft of torque. This engine is paired with a 10-speed Allison automated transmission. The 2025 Sierra 2500 HD has a most towing capability of 20,000 kilos and a most payload capability of three,979 kilos.