Is Mobil Fully Synthetic Oil?

1 Answers
LeElle
08/31/25 8:20am
The Mobil 1 series of engine oils, including Mobil 1 Gold and Mobil 1 Silver, are fully synthetic oils. Mobil Super 2000 is a semi-synthetic oil, while Mobil Super 1000 is a mineral oil. Different base oils: Semi-synthetic oils use Group III base oils, while fully synthetic oils are a blend of Group III, IV, and V base oils, with Group III base oils being of higher quality. Different replacement intervals: Semi-synthetic oil should be replaced every 7,500 kilometers or every six months. Fully synthetic oil should be replaced every 10,000 kilometers or once a year. Different operating temperature ranges: Semi-synthetic oils have a relatively narrower operating temperature range compared to synthetic oils, which can perform well across a broader temperature range and have lower viscosity.
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