I bought this car new in Oct 2005 and it has about 33,000 miles on it now. I am happy to say it has never had a mechanical problem since I have owned it. I use full synthetic oil in it which seems to have improved the mileage. In mixed driving, I rarely get below 30 MPG. I am happy with the performance and mileage and reliability of the Focus. I owned a Taurus previously and it was a nightmare. Recommended as a inexpensive used car purchase.
Never has had any mechanical problems. It has more pickup than my V6 Taurus did with a lot better mileage.
Rattly somewhat cheap interior. Mystery noises come many interior parts, but I just turn up my radio. I hate the cup holders. Ones in the console don't hold my cups right. Only one that is secure is in the door, but cant get to it unless I open the door! Fairly minor stuff overall.