Honda Civic Si, is a sports compact version of Honda Civic built by Honda, the Japanese automaker and the "Si" in Honda Civic Si refers to Sequential Injection used in North America and Japan.

Honda Civic Si is known as the high-performance variant from 1997 in Japan and from 2001 in Europe and the Si badge for the JDM Civic was first implemented by Honda in November, 1984.

The parts of Honda Civic Si are assembled at Alliston, Ontario, Canada, Sumare and Brazil and the featured accessories include an auto day/night mirror with compass, a front under spoiler, etc.

The sixth generation Honda Civic Si provides for two body styles - the 2-door coupe and the 4-door sedan with other features like a 2.0 L I-VTEC engine with 197 hp (147 kW), a 6- speed manual transmission and a fuel capacity of 50 L and a 350 watt audio system with 7 speakers.

The starting price of the 2007 Honda Civic Si Coupe faced an increase by $800 for the year to the MSRP of $20,290 in Canada.

The Honda Civic Si Sedan was introduced in the USA for the 2007 model year at the Chicago Auto Show with features that include the addition of vehicle stability assist (VSA), dark silver wheels and a deck lid spoiler as well.

The Honda Civic Si comes in various colors like Fiji Blue pearl, Galaxy Grey Metallic, Rallye Red, Taffeta White, Habanero Red Pearl, Nighthawk Black pearl and Alabaster Silver Metallic.

Lifestyle awards were established by cars.com to categorize the cars that are best suited for today's car buyers, and the 2007 Honda Civic Si was awarded "Best new car for First- time buyers."

In 2007, a series of commercials were launched by Honda for the Civic Si based on a movie TRON, having the Sis replacing the 'Light Cycle'.

Honda Civic Si is very fuel efficient and environment friendly and is regarded a Low-Emission Vehicle (LEV-2) certified by the California Air Resource Board.