What are some important features to consider before purchasing an Audi A3?

I am looking to buy an Audi A3 and want to make sure I am taking all the necessary factors into consideration. What are some key features to pay attention to in this car model?

One key feature to consider is the engine type. The Audi A3 offers both gas and diesel options, each with their own pros and cons. Gas engines tend to have smoother acceleration, while diesel engines generally have better fuel economy and torque. Consider your driving habits and priorities when deciding between the two.