South Dakota Car Loans : With South Dakota lawmakers asking help from the government to make it easier for car buyers to get loans, in the hope of helping Big Three Detroit based U.S. auto companies to ride out the financial crisis. Thus, people now can expect to get lower prices and rates on car purchase in Peirre, Yankton, Sioux Fall, Madison, Aberdeen, Milbank, Watertown, Custer, Hot Springs and Vermillion.