How can I improve my Audi A4's fuel economy?

I've noticed that my Audi A4's fuel consumption has been higher than expected. Any suggestions on how to improve the fuel economy?

Regularly check and replace air filters to ensure proper air flow and reduce engine strain.

Avoid aggressive driving and maintain a steady speed. This can greatly impact fuel efficiency.

Consider getting a tune-up and ensuring all parts of your vehicle are in good working condition. This can improve overall performance and fuel economy.