Analysts agree 2013 was terrific for the U.S. auto industry. When final sales numbers are tallied the experts figure as many as 16 million cars and trucks will have been sold. It was a solid year for the Big Three. G.M. saw a sales increase of about 7%. Chrysler was up about 9% and Ford saw a nearly 11% jump. It was the best sales year in six years for pick up trucks. In all over two million were sold.