The Honda Civic Si is a sport compact trim of Civic by Honda. 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...
Honda’s bread and butter compact car is offered in plenty of forms and features continually for more than 40 years now. The new Civic will be basically unchanged, but after that, things might become different as car is nearing the end of its ninth generation.