How much oil does my car need. Well, that depends on your vehicle's engine. Many crankcases have a capacity of around five to six quarts, although some small four-cylinder engines may need four quarts. Bigger diesels (like in heavier pickup trucks) can require as much as six or eight quarts of oil, but average V6 and V8 engines are designed

What happens when you are low on oil?

When your engine oil is running low, it stops lubricating the engine components. When these parts are no longer well-oiled, they cause loud clunking, knocking, and grinding sounds. This can cause your rods to break, which will give off the knocking sound from underneath the hood of your vehicle.

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