Changing your own motor oil isn't that hard, and it can save you a lot of money, but it's important to know which kind of oil ...

If your mechanic recommends a high-mileage motor oil, how do you know when it's worth it to upgrade? And what are the pros ...

Valvoline claims their "Restore & Protect" product returns pistons to a factory clean condition by removing 100% of engine ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester ...

In addition to the oil type, you'll want to pay attention to the API service category and viscosity ratings shown on the labels of even the best motor oil brands before pouring them into your engine.

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These days, many automakers recommend that owners fill their cars' engines with synthetic oil instead of conventional oil. Using synthetic motor oil may allow you to go longer in between oil ...