Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Full synthetic and high-mileage oils offer different benefits for different people. Here's which one you should use, as well ...

For years, drivers were told that they needed to change their car's oil every 3,000 miles. But as engines have grown more efficient and oil formulas have improved, that rule of thumb is no longer a ...

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 ...

Walk into most quick-lube shops and you'll walk out with a sticker telling you to return in three months or 3,000 miles. It's ...