How efficient is the Audi A2's Direct Fuel Injection system?

I'm curious about the technical specifications of the Direct Fuel Injection system in the Audi A2. How does it work and what benefits does it offer in terms of fuel efficiency and performance?

The Audi A2's Direct Fuel Injection system utilizes high-pressure injectors to deliver fuel directly into the combustion chamber, resulting in more precise and efficient fuel delivery. This not only improves fuel efficiency, but also leads to better engine performance and reduced emissions.

In addition to its efficiency and performance benefits, Direct Fuel Injection also helps to reduce engine noise and vibrations, resulting in a smoother and quieter driving experience.

One important factor to note is that Direct Fuel Injection can be sensitive to the quality of fuel being used. It's important to use high-quality gasoline to ensure optimal performance and efficiency.