What are the key features to look for when purchasing a used Audi A3?

I am interested in buying a used Audi A3 and want to make sure I am getting the best value for my money. What specific features should I look for in a used Audi A3 to ensure it is in good condition and worth the investment?

When buying a used Audi A3, it is important to check the car's maintenance records and see if it has undergone regular servicing. This will give you an idea of how well the previous owner took care of the vehicle.