2001 Toyota Prius: What is the oil type and capacity?

The 2001 Toyota Prius uses SAE 5w-30 full synthetic oil. The 1.5l engine has a capacity of 3.9 quarts. Oil keeps the internal parts of Your car's engine cool and lubricated and it also keeps the moving parts from grinding against each other thereby reducing wear and damage. The cost of an oil change for Your Prius is between $50 and $60 for labor and between $70 and $80 for parts. You should get an oil change every 6,000 miles or 6 months. You will know that it is time for an oil change if You notice increased engine noise, transmission shifting issues, shaking while idling, excess exhaust, or an oil smell inside the vehicle.