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 ...

No truer words have ever been said: oil is the lifeblood of your car’s engine. Its purpose is to lubricate the engine’s many crucial components to ensure a long, reliable life. It’s also a consumable ...

Motor oil is the lifeblood of your car's engine. Not only does it provide lubrication for all of your engine's internal moving parts — of which there are massive amounts — but it also works like a ...