What are the most common issues to look for when buying a used Audi A6?

I'm considering purchasing a used Audi A6 and I'm wondering what specific things I should check for before making a decision. Are there any common problems or red flags that I should be aware of? Thanks!

When buying a used Audi A6, it's important to check for any signs of oil leaks, as these are a common issue in older models. I also recommend having a mechanic inspect the car's electronic systems, as they can be prone to malfunctions over time.

In addition to checking for leaks and electronic issues, be sure to inspect the car's suspension and brakes. These are crucial for safety and can be expensive to repair if they are worn or damaged.

Before purchasing a used Audi A6, I highly recommend taking it for a test drive and paying attention to any unusual noises or vibrations. These could be signs of underlying mechanical problems that may need to be addressed.