What is the best fuel type to use for an Audi A6?

I have recently purchased an Audi A6 and I am unsure which fuel type would be best suited for it. Would using premium fuel make a noticeable difference in performance compared to regular fuel?

Using premium fuel may slightly improve performance and fuel economy in your Audi A6, but the difference may not be significant enough to justify the higher cost. However, if you frequently drive in harsh conditions or do a lot of highway driving, using premium fuel may be beneficial in preventing engine deposits and maintaining engine performance.

Audi recommends using premium fuel in their vehicles for best performance, but the A6 is designed to run on regular fuel without any issues. If you are experiencing engine knocking or reduced performance, it may be worth trying premium fuel to see if it resolves the issue.