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

the only motor oil you have available is 5W-30, and you must drive it, it's better to add the 5W-30 than it is to drive your car with extremely low engine oil. However, I would advise against ...

like 0W-20 and 5W-30, we'd have to use different weight oils for various climates. If you lived in the middle of the United States, you would often use a different weight engine oil in the summer ...