Semi-synthetic oil and full synthetic oil share some key characteristics, but they are not the same and knowing the ...

Thinner, less viscous oil can lead to lower oil pressure, which can inhibit your engine's valve and lifter systems and lead ...

So, you mixed synthetic oil and conventional oil. You screwed up, and now you're wondering if what you did will have catastrophic consequences. Whether it was a simple accident or if you did it on ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

Consumer Reports presents the advantages and downsides of using synthetic oil in your car, and why you might want to consider synthetic engine oil. Ad-free. Influence-free.

As the invisible partner enabling us on life’s journeys; do we truly understand what the differences in the various oils are, what the labels on our oil cans mean, and what exactly they do for our ...

Synthetic oil, he says, has additives that allow drivers to stretch the miles and time between their oil changes. “Conventional oil lasts about 3,000 miles or three months,” the mechanic says ...

When Should You Change Your Synthetic Oil? Well, that depends, so we'll explain the facts behind the proper interval to change your car's synthetic oil. The easy answer: at least once every year.

Do I have to use synthetic oil in my 2017 Equinox? -- Donald. European auto manufacturers have been in the game of stipulating oils that meet their precise guidelines for quite some time.