What is s10 2.5 engine?

The s10 2.5 engine is a four-cylinder engine produced by General Motors. It has a displacement of 2.5 liters and produces up to 98 horsepower and 135 lb-ft of torque. The engine features an overhead valve design with two valves per cylinder and a cast iron block and cylinder head. It was used in various GM vehicles, including the Chevrolet S10 pickup truck and the GMC Sonoma pickup truck. The S10 2.5 engine was available in both manual and automatic transmission options. It was discontinued in 1997 and replaced by the 2.2-liter engine in subsequent models.