they cost more than comparable synthetic motor oils. For instance, five quarts of Mobil 1 Extended Performance 5W-30 High ...

The best synthetic oils offer more mileage ... reputation with high-performance vehicle owners. The company’s API-licensed oils carry the current API and ILSAC engine oil licenses, along ...

These oils are trusted by drivers who need strong engine protection, especially in high-stress or high-mileage conditions ... flagship motor oil, Mobil 1 offers an advanced synthetic formulation ...

Can you use synthetic ... lot of oil, should you use a thicker oil grade? Finally, when should you use a high mileage oil? I spent time discussing these questions and more with Mobil 1 engineers.

Mobil 1 Extended Performance full-synthetic motor oil 5W-30 helps protect critical engine parts for up to 20,000 miles between oil changes,* controlling oxidation to prevent oil breakdown and ...