The Subaru STI is a high-performance variant of the Subaru Impreza. The 2025 model is expected to have a significant increase in horsepower, with some sources suggesting it could reach up to 400 horsepower. This would make it one of the most powerful compact cars on the market. The increased horsepower is likely to come from a combination of factors, including a larger engine, a more aggressive turbocharger, and a revised intake and exhaust system. […]