This guy put 740,000 miles on a 2011 Fiesta. His mileage run came to an end when he hit a deer.
https://www.caranddriver.com/news/a15348454/really-long-haulin-what-its-like-to-drive-200000-miles-per-year/
Back to School With One Family's Trusty 2013 Ford Fiesta
Of course the DCT was an issue:
Surprised it lasted this long anyways...I don't see many Focus or Fiestas on the roads anymore around me.