There’s no NASCAR, 1967 Ferrari F312, Porsche 911, or even your daily driver Hyundai Sonata without oil. Whether conventional or synthetic, engine oil is the lifeblood of your vehicle. Back to oil, ...

Changing your own oil, while simple in principle, is often a rather deceptively nuanced task in one key area: selecting which oil is best for your vehicle. For instance, there's a huge variety of ...

We get a lot of mail around the office, and one of the leading topics is in regard to engine and transmission fluids. Specifically, readers want to know more about synthetic-made oils versus petroleum ...

One of the most common car-care questions is also one of the most confusing: what kind of motor oil do you really need—and is synthetic worth the extra cost? Motor oil keeps your engine lubricated, ...

With so many available motor oil brands and several labels like "synthetic blend," "full synthetic," or "conventional," the process of choosing one for your car has now become somewhat tedious. It ...

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 and the ...