The Honda Civic Si is a sport compact trim of Honda's Civic. The Si (Sport Injected) trim was introduced for the third generation of Honda Civics in both Japan and North America. In Canada and elsewhere, the trim became known as the SiR for the sixth and seventh generations, and the Si trim was equivalent to the USDM EX model.

For the Japanese and European markets, the Civic Type R was adopted as the high-performance variant of the...