What grade of engine oil should be used for the Kia K3?

1 Answers
ReaganAnn
07/29/25 9:39pm
The Kia K3 can use either 5W-30 or 5W-40 engine oil, as long as it is SM grade or above. When selecting engine oil, it is also necessary to choose based on the vehicle's operating environment. The viscosity of engine oil affects fuel economy and operability in cold weather, as well as engine starting and oil flow capability. Lower viscosity engine oil can make the engine more fuel-efficient and perform better in cold weather. Higher viscosity engine oil is suitable for extremely hot weather, providing satisfactory lubrication. Using engine oil with a viscosity other than the recommended one may cause engine damage. Below is an introduction to engine oil-related information: 1. There are 4 types of summer oil, 6 types of winter oil, and 16 types of all-season oil. The summer oil grades are: 20, 30, 40, 50, 60. The larger the number, the higher the viscosity and the higher the applicable maximum temperature. 2. The winter oil grades are: 0W, 5W, 10W, 15W, 20W, 25W. The symbol W stands for Winter. The smaller the number before W, the lower the low-temperature viscosity, the better the low-temperature fluidity, and the lower the applicable minimum temperature.
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