What is the most common cause of engine failure in the Audi A2?

I've been noticing some strange noises coming from my engine. I want to make sure I'm taking good care of my car to avoid any major issues. What is the most common cause of engine failure in the Audi A2 and how can I prevent it?

The most common cause of engine failure in the Audi A2 is oil sludge buildup. To prevent this, make sure to change your oil and oil filter regularly and use high-quality oil.

Another common cause of engine failure in the Audi A2 is an overheating engine. Be sure to check your coolant levels regularly and get your radiator flushed every 30,000 miles.

In some cases, engine failure in the Audi A2 can be caused by a faulty timing belt. It is important to get this checked and replaced every 60,000 miles or as recommended by your manufacturer.