There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...

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 ...

Some of the best motor oil brands have been refining their products since the internal combustion engine was first created and have had long and illustrious histories in motorsports, flight ...

Your car’s oil is its lifeblood, and regular oil changes are key to a healthy engine. Here’s what you auto know to keep your ...