Using the right motor oil makes a difference. We put our Mobil 1™ motor oils to the test in the lab, on the road and on the track – duplicating some of the toughest, most extreme, real-life conditions anywhere in the world. Mobil 1™ Extended Performance High Mileage. Up to 20,000 miles of outstanding wear protection for high mileage vehicles – guaranteed. 0W-20 | 5W-20 | 5W-30.