2006-2011 Honda Civic Si 8th Gen Real MPG The 2006 and 2007 Honda Civic Si were rated by the EPA to deliver a 20/29/23 city/highway/combined mpg while the 2008 to 2011 models see an increase to 24 ...

Honda sold the 8th-gen Civic only in a four-door model in Japan, while the U.S. market offered both two-door and four-door versions. In Europe, Honda offered three-door and five-door versions.

Engine, Transmission and Drivetrain All 8th-generation Honda Civic models are powered by the R18A1 1.8-liter inline-four powertrain with a power output of 140 hp and 128 lb-ft of torque. This is ...