High performance synthetic based engine oil for passenger cars, exceeding the latest API SN/CF and ILSAC GF-5 sequences and officially approved by GENERAL MOTORS and FORD. These oils have been developed for both gasoline and diesel passenger car engines not equipped with diesel particulate filters. These have a wide scope of application for Asian and American car models, from recent to older engine technologies. Fully backward compatible with the former API and ILSAC sequences, and can be used in a vast majority of vehicles, from the newest to the oldest ones. It can be used for various operating conditions (city traffic, road, motorways), and in all seasons.