Ever wondered what all those letters and numbers mean, and how they affect your car? Here are all the answers you need.

The numbers and letters on a bottle of motor oil can look like gibberish if you aren't sure how to decode them. 5W-30, 10W-40, 0W-20... What's this supposed to be telling you? Does the "W" stand for ...

Many drivers think semi-synthetic and synthetic blend oils are different, but they’re basically the same, labeling standards ...