Insiders reveal why the updated Subaru WRX STI won't be a brand new model

Subaru just introduced a brand-new Impreza, but the current WRX STI will stick around for at least another four years. The company explains that developing a new model takes a tremendous amount of time. The post Insiders reveal why the updated Subaru WRX STI won’t be a brand new model appeared first on Digital Trends.