Do Most Engines Fail Due To Poor Maintenance?

Do Most Engines Fail Due To Poor Maintenance? Topping the list as the car that has the most engine issues is a 2009-2010 Audi A4 with its 2.0-liter engine. Engine problems commonly pop up between the 107,000 and 153,000-mile mark. What causes sudden engine failure? The most common reason for an engine to stop is