What are the most common issues with the engine in Audi cars?

I recently purchased a used Audi and have been experiencing some issues with the engine. I want to be prepared for the worst, what are the most common issues that arise with Audi engines and how can I prevent them?

The most common issue with Audi engines is oil leaks. Be sure to regularly check and change your oil, and consider using a high quality synthetic oil to prevent leaks. Additionally, be mindful of any leaks and get them fixed promptly to avoid any further damage.