What kind of oil does the 2013 Toyota Prius use?

The kind of oil the 2013 Toyota Prius uses is 0W-20. Your oil needs to be replaced eventually. Every 5,000 to 10,000 miles is a good rule of thumb. If You don't replace it, there will be issues with the engine. Having high quality oil is important for the engine to run smoothly. You will run into issues with this fluid at some point. Old or bad oil can cause the engine to stop working. A common problem is an awful burning odor. This needs to be viewed closely as soon as possible or the car might explode. You could experience bad gas mileage. Knocking noise may show up from the engine.