The 2025 GMC Duramax is a highly anticipated pickup truck that is expected to be released in late 2024. It is the successor to the current GMC Sierra HD, and it is expected to offer a number of significant upgrades and improvements.
One of the most important upgrades to the 2025 GMC Duramax is its new engine. The new engine is a 6.6-liter Duramax turbodiesel V8 that produces 470 horsepower and 975 lb-ft of torque. This is a significant increase over the current engine, which produces 445 horsepower and 910 lb-ft of torque. The new engine is also expected to be more efficient than the current engine, which will help to improve fuel economy.