Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

Before answering the best oil for my car question, it's worth understanding why exactly engine oil is considered the ...

Luckily, it’s not too difficult to decode what type of oil your car needs. Here’s how to figure it out, plus what else you need to know before changing your oil. Motor oil is an engine’s ...

Here's how to check the six essential fluids in your car. After fuel (unless you have a fancy EV), oil is your car's most ...