How many quarts of oil does a 2011 KIA optima take?

A 2011 Kia Optima typically requires about 5.0 quarts of engine oil when equipped with the 2.4L 4-cylinder engine, and around 6.0 quarts if it has the 2.0L turbocharged engine. It's always best to check the owner's manual for the specific oil capacity and recommendations for your vehicle.