Is the oil specification for the Koleos 5w30 or 5w40?

1 Answers
MacLondon
07/29/25 4:19pm
The Koleos model can use both 5w30 and 5w40 oil specifications, and you can choose according to your needs. The manufacturer recommends two types of oil for the Koleos: the original 5W30 mineral oil and the original 5W40 semi-synthetic oil. Here is some relevant information about the Koleos: 1. The Koleos uses a naturally aspirated engine, so the requirements for oil are not very high. Based on the original oil provided by 4S stores, mineral oil meets the requirements, but owners with the means can also upgrade to semi-synthetic oil. 2. There are many types of oil specifications, and different specifications indicate different oil performances. Taking 5W-30 as an example, the 5 represents that the oil is suitable for temperatures above -25 degrees Celsius. If it is 10, it represents above -20 degrees Celsius. The smaller the number before the W, the better the low-temperature fluidity. 3. In other words, it is more suitable for winter use in northern regions, with good cold-start performance. W stands for winter, indicating a wide range of applicable temperatures, meaning it is an all-season oil. 4. The number after 5W-30 is the viscosity index, indicating that the oil's viscosity index is 30 at 100 degrees Celsius. The higher the number, the higher the viscosity, and the better the protection for the engine at high temperatures. However, the appropriate oil specification should be used based on different driving conditions and vehicle models.
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