What is the difference between 10w and 5w engine oil?

1 Answers
OliveRose
07/29/25 1:25pm
Here are the differences between 10w and 5w engine oil: 1. 5W engine oil has better low-temperature fluidity than 10W, making it easier to start in cold environments. 2. 5W engine oil can be used at a minimum temperature of -30°C, while 10W can only be used at a minimum temperature of -25°C. 5W engine oil has stronger cold resistance than 10W. Here is some relevant information: 1. Engine oil lubricates, cleans, cools, seals, and reduces friction in the engine. It plays a significant role in reducing wear on engine components and extending their service life. 2. The oil filter is a component that filters the engine oil. Engine oil contains a certain amount of gum, impurities, water, and additives. During engine operation, metal particles generated by friction between components, impurities from the intake air, and oil oxides are all filtered by the oil filter. If the oil is not filtered and directly enters the oil circulation, it will adversely affect the engine's performance and lifespan. Many car owners often perform vehicle maintenance based on the mileage driven. However, the maintenance interval depends on the effective time or mileage of the engine oil and oil filter used. The effective periods of mineral oil, semi-synthetic oil, and full synthetic oil vary by brand and grade, so please follow the manufacturer's recommendations.
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