What is 2009 honda civic si engine?

The 2009 Honda Civic Si is powered by a 2.0-liter, 4-cylinder engine that produces 197 horsepower at 7,800 RPM and 139 lb-ft of torque at 6,200 RPM. This engine features Honda's i-VTEC (Variable Valve Timing and Lift Electronic Control) system, which optimizes performance and fuel efficiency. It is paired with a 6-speed manual transmission that provides smooth and precise shifts. The Civic Si is also equipped with a limited-slip differential, which enhances traction and handling. Fuel economy for the 2009 Civic Si is rated at 21 MPG city and 29 MPG highway.