What kind of oil does the 2005 Chevy Impala use?

The oil type used on Your 2005 Chevy Impala is SAE 5W-30 but You can use SAE 0W-30 if the temperature where You live is below -20 F. If You would like to know the capacity then it iS4 quarts exactly. The main function of engine oil is to provide lubrication to Your motor. It not only does this but it also cleans, protects and cools the parts that consist of Your motor. Since it provides all of these benefits, it's important to always change the oil at the required scheduled intervals and to make sure it doesn't get too low. Check the oil levELRegularly so that You avoid putting Your motor at risk.