What Do Motor Oil Viscosity Ratings Mean?

Not all motor oil is created equally, and the last thing you want to do is damage your vehicle by picking the wrong one. Understanding oil viscosity and how it affects your vehicle can help prevent damage. You’ll also see an overall better performance, as most engines are only compatible with a small scope of oils.

The easiest way to describe viscosity is "thickness." While the oils may appear the same, the higher the viscosity, the more the oil will resist flow. It is important to note that temperature can also affect the thickness of oil; this makes low viscosity oils better for cold weather and high viscosity oils better for warmer climates.

Oil viscosity ratings are listed as two numbers: one representing a cold engine as indicated with a "W," the other number represents the viscosity when the engine is hot. It is important to choose an oil viscosity that is compatible with your vehicle’s engine. Contact our Land Rover service department here in Dallas, TX today to learn more.

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