Understanding Motor Oil Viscosity Ratings

Motor oil viscosity ratings can seem confusing. The numbers and letters have a very specific significance, and understanding what they mean will make you a better informed car owner.

The speed a motor oil flows at is known as its viscosity. If you've looked at the label on a container of oil, you might have seen a rating like 10w-30. This is its viscosity rating; the number in front of the ""w"" lets you know how fast it flows in cold temperatures. The second number indicates how quickly it flows when it has been in a warm engine. In cold temperatures, you want a low viscosity oil, as that means it will flow more quickly. High viscosity oil ratings are good for summer temperatures.

If it's time for an oil change, stop by Lion Country Kia. Our car care specialists can match the right motor oil to your engine and have you back on the road in no time.



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