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 ...

Although most drivers might not pay it too much thought, picking the right motor oil can have a significant impact on the expected life of the engine's components. There are so many oils to pick from ...

Synthetic motor oil offers many advantages over conventional engine oil. Synthetics resist chemical degradation far better than traditional oils, and they typically have a higher viscosity index that ...

Under “normal” driving conditions, synthetic oil can go 10,000 to 15,000 miles, or six to 12 months, between changes. Follow ...

CR shares five things to know about oil changes for your car, including when and how often to change the motor oil and ...

Conventional motor oil or synthetic motor oil? That is the question when getting an oil change, and it's an important one. Both are designed to help keep your engine and its various components ...

You're staring down two shiny jugs at the auto parts aisle. One says semi‑synthetic, the other full synthetic, and you're thinking maybe they're basically the same, right? Maybe that's just a ...

As the single most important fluid in any internal combustion engine—even that mystical rotary business—running the right oil is paramount. It handles so many tasks. Like lubricating crucial ...