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Cleaner engine. As motor oil circulates through your vehicle's engine, deposits form. Conventional oils form sludge from these deposits over time, reducing your engine's efficiency and lifespan. Full ...

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 best synthetic oils offer more mileage, keep the engine cleaner, perform equally well in low and high temperatures, and protect your engine by keeping wear at bay. When it comes to the topic of ...

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 ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard computer ...

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 ...

Unique formula developed specifically for gasoline-fueled, light-duty trucks and SUVs* Provides extra protection for hardworking engines and outstanding performance under tough operating conditions ...