How many quarts of oil for your 3.8liter Buick Lesabre?

The 3.8-liter Buick LeSabre typically requires about 5 quarts of oil when using a standard oil filter. If you are changing the oil filter as well, it's a good idea to have a little extra oil on hand, just in case. Always refer to the owner's manual for the most accurate specifications related to your specific model year.