Why is my Audi A7 making a humming noise?

I recently purchased a used Audi A7 and have noticed that it makes a humming noise while driving. Is this something I should be concerned about? What could be causing this noise?

First, check for any loose parts or debris in the engine. If that is not the issue, it could be a problem with the transmission. Have a professional mechanic take a look to properly diagnose and fix the issue.

It could also be an issue with the tires or wheel bearings. Make sure to rotate your tires regularly and have them checked for any potential issues.

If the humming noise only occurs at certain speeds, it could be a sign of a worn out or unbalanced tire. Have the tires checked and replaced if necessary.