Mileage amounts might range from 3,500 to 5,000, 7,500 or even 10,000 miles, Townsend said. The type of oil – synthetic, semisynthetic/blended or conventional − is also key, with full synthetic oils ...

Changing engine oil is one of the most important parts of maintaining a car with a combustion engine. For decades the service schedule was clear – 3 months or 3,000 miles but today, things have ...