The 2025 Sierra 2500 is a heavy-duty pickup truck manufactured by GMC. It is the successor to the Sierra 2500HD and was unveiled at the 2024 Chicago Auto Show.
The Sierra 2500 is available in regular cab, double cab, and crew cab configurations. It is powered by a 6.6-liter Duramax turbodiesel V8 engine that produces 470 horsepower and 975 lb-ft of torque. The truck has a maximum towing capacity of 20,000 pounds and a maximum payload capacity of 3,979 pounds.