Is it OK to mix synthetic oil with semi synthetic oil?

We always recommend using the oil specified by your car manufacturer. However, nothing detrimental will occur if you mix synthetic oil with either semi-synthetic or mineral oil. If this was your only option, mixing oils would be better than running out of oil and potentially causing damage to your engine.Click to see full answer. Regarding this, can I mix fully synthetic oils?Yes, you can safely mix one brand of oil (e.g. Mobil 1) with a different brand (e.g. AMSOIL) or conventional oil with synthetic oil (in fact, that’s what a synthetic blend is). Most synthetics today are fully compatible with conventional oils and can safely be mixed.One may also ask, what is semi synthetic motor oil? Semi-synthetic is a type of motor oil that is a blend of other types of oil. Semi-synthetic motor oil was formulated to provide some of the benefits that pure synthetic oil offers. Considering this, which is better synthetic or semi synthetic oil? Semi synthetic oil Semi synthetic oils are cheaper than fully synthetic as they are a mixture of synthetic and mineral oil. Engines requiring semi synthetic oil must use at least semi synthetic oil (not mineral oil) but may benefit from upgrading to fully synthetic oil for increased protection and performance.Is semi synthetic oil the same as synthetic blend?Generally speaking, synthetic blends and semi-synthetic refer to the same thing: an oil that uses a combination of conventional and synthetic base oils in its formulation. It’s important to note that, while base oils are a fundamental element of a motor oil’s formulation, they’re only part of the picture.