What is the life expectancy of a typical automotive engine?

The life expectancy of a typical automotive engine generally ranges from 150,000 to 300,000 miles, depending on factors such as maintenance, driving conditions, and engine design. With regular maintenance, such as oil changes and timely repairs, many engines can exceed this range. Additionally, advancements in technology and materials have improved the durability of modern engines, potentially extending their lifespan even further.