How to Distinguish Between Mineral Oil and Full Synthetic Oil?
3 Answers
Mineral oil and full synthetic oil differ in the following aspects: 1. Price difference: Mineral oil is refined from natural substances with lower production costs, while full synthetic oil is chemically synthesized with higher production costs, resulting in a significant price gap between the two. 2. Viscosity difference: Mineral oil is more affected by temperature changes, with poor fluidity at low temperatures. Full synthetic oil is less affected by temperature changes and can maintain good fluidity even at very low temperatures. 3. Service life difference: Under the same working conditions, full synthetic oil has a longer service life than mineral oil. 4. Production difference: Mineral oil is manufactured by adding additives to mineral oil refined from petroleum, whereas full synthetic oil is chemically synthesized, fundamentally different from mineral-based oil.
The main differences between mineral oil and fully synthetic oil lie in their sources and performance. Mineral oil is refined from crude oil, offering affordability but poorer stability—for instance, it oxidizes more easily under high temperatures, leading to insufficient engine protection. After using mineral oil in my car for several years, I often noticed increased engine noise and more frequent oil changes, typically every 5,000 kilometers. In contrast, fully synthetic oil is artificially engineered with a more uniform molecular structure, providing superior high-temperature resistance, reduced wear, and extended engine lifespan—ideal for frequent long-distance drivers like me. After switching to synthetic oil, my engine runs much quieter and requires changes only every 10,000 kilometers. They also differ in cleaning performance: synthetic oil keeps engines cleaner and reduces carbon buildup. Budget-conscious owners might opt for mineral oil, but I recommend synthetic oil for new or high-performance vehicles—it’s safer and more worry-free.
Having worked in the automotive industry for many years, I can say that mineral oil is the traditional engine oil refined from crude oil. It's low-cost but offers average protection. I've used it in my older cars, and the engine tended to overheat. Fully synthetic oil, on the other hand, is chemically synthesized and delivers superior performance. For instance, it maintains stable fluidity in extreme cold or heat, protecting the engine better. After switching to synthetic oil, my engine started much more smoothly. Price-wise, synthetic oil costs about 30-50% more, but it pays off in the long run by extending the oil change interval from six months with mineral oil to a full year. The type of oil also affects fuel economy—synthetic oil improves mileage, especially noticeable for me when driving mostly on highways, where I get an extra kilometer or two per liter. Overall, mineral oil suits low-intensity usage, while synthetic oil is a smart investment.
