How often should engine oil be changed for sedans?
1 Answers
Sedan engine oil change intervals should be calculated based on the mileage of the oil usage. For vehicles using mineral oil, it is recommended to change every 4,000 to 5,000 kilometers; for semi-synthetic oil, every 5,000 to 7,500 kilometers; and for full synthetic oil, every 7,500 to 10,000 kilometers. If frequently driving under harsh road conditions, the oil change interval should be appropriately advanced. Engine oil, also known as engine lubricant, serves functions such as lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption, earning it the reputation as the 'blood' of automobiles. Engine oil consists of two main components: base oil and additives.