What is the difference between synthetic and full synthetic engine oil?

[SanAlivia]

There are differences between synthetic and full synthetic engine oil in terms of composition, performance characteristics, and replacement intervals. Different composition: Full synthetic engine oil contains 100% non-conventional, high-performance fluids. In contrast, semi-synthetic engine oil (also known as "blended oil") has a lower percentage of these high-performance fluids and contains conventional mineral engine oil. Different performance characteristics: In terms of overall performance, full synthetic engine oil is superior to semi-synthetic engine oil. Whether it's lubrication performance, oxidation resistance, corrosion resistance, etc., full synthetic engine oil has a slight edge, meaning it has better high and low-temperature performance and can adapt to harsher driving conditions. Different replacement intervals: The replacement interval for full synthetic engine oil is 10,000 kilometers or within one year, while for semi-synthetic engine oil, it is 7,000 kilometers or within 6-8 months. However, the exact timing should be determined based on actual conditions.