Is it better to change the oil in an automobile by full synthesis or semi-synthesis? What is the difference?

1, different grades of base oil

Semi-synthetic engine oil uses three base oils:

The base oil in synthetic engine oil is made of four kinds of oil PAO+ additives (secret recipe).

2, the replacement cycle is different

Semi-synthetic engine oil oil change cycle is short, and semi-synthesis usually takes 8 months or 8,000 kilometers, whichever comes first;

The replacement cycle in synthetic engine oil will be longer, usually one year or 10,000 kilometers, whichever comes first.

3. Different prices

Half of synthetic engine oil is also cheaper than all of synthetic engine oil.

4. The performance of oil products is different.

Synthetic engine oil is more stable and resistant to sludge than semi-synthetic engine oil.

5. The applicable models are different.

Semi-synthetic engine oil is mostly used for economical cars; Synthetic engine oil is mostly used in luxury cars.