Mobil™ Full Synthetic motor oils protect critical engine parts 1.5 times longer than our conventional and synthetic blend oils*. These full synthetic formulations are designed for both vehicles requiring a full synthetic engine oil and vehicles that are upgrading from conventional and synthetic blend oils. Mobil Full Synthetic motor oils meet or exceed the latest industry performance requirements and meet warranty requirements for cars, trucks and SUVs with gasoline engines. Mobil™ Full Synthetic motor oils deliver protection that's 1.5 times longer than our conventional and synthetic blend oils. These oils have been tested and proven to provide long lasting protection to help extend engine life.