What does opel gsi means?

Opel GSi stands for "Grand Sport Injection," a designation used by the German automaker Opel for its high-performance versions of certain models. The GSi variants typically feature sportier design elements, enhanced performance, and improved handling characteristics compared to standard models. This badge signifies a focus on driving dynamics and sportiness while retaining everyday usability. Over the years, various Opel models, including the Astra and Kadett, have been offered with the GSi designation.