What does SP/GF-6 mean?
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SP/GF-6 is an engine oil classification that represents key upgrades in wear resistance, low-speed pre-ignition prevention, deposit control, and other lubricant system-related performance aspects. It ensures enhanced fuel efficiency while providing comprehensive engine protection. SP/GF-6 oil delivers excellent driving performance, superior acceleration, outstanding compatibility with gasoline engine particulate filters, exceptional protection against low-speed pre-ignition, effective safeguarding for turbocharged direct-injection engines, and superior fuel economy. SP/GF-6 is an S-class oil, with oil grades typically categorized by viscosity classification and quality classification methods. Engine oils are classified according to SAE viscosity grades, with 6 types for winter use, 5 types for summer use, and 16 types for all-season use. The 6 winter oil grades are: 0W, 5W, 10W, 15W, 20W, and 25W. The "W" stands for Winter, and the smaller the preceding number, the greater the oil's fluidity and the lower its applicable temperature range. The 5 summer oil grades are: 20, 30, 40, 50, and 60. The larger the number, the higher the oil's viscosity and the better its high-temperature protection performance, making it suitable for higher temperature environments. The 16 all-season oil grades are: 5W20, 5W30, 5W40, 5W50, 10W20, 10W30, 10W40, 10W50, 15W30, 15W40, 15W50, 20W20, 20W30, 20W40, and 20W50.