15
Mar
Engine Oil
What Is the Average Life of Car Engine Oil? Real-World Answers
The average life of car engine oil depends on the type, driving habits, and engine design. Conventional oil lasts 5,000-7,500 miles, while synthetic oil can go up to 10,000-15,000 miles - but real-world conditions often shorten that. Learn what actually breaks down oil and how to know when to change it.