MINI Brand Sales – best September ever MINI USA reported the best September ever with sales of 5,306 automobiles, an increase of 8.3 percent from the 4,899 sold in the same month a year ago. Year-to date, MINI sales in the U.S. are up 2.3 percent on volume of 49,635 compared to 48,531 in the first nine months of 2012. MINI Pre-Owned Vehicles In September, MINI used automobiles (including MINI NEXT certified pre-owned and pre-owned) reported sales of 1,701 automobiles, a decrease of 0.7 percent from the 1,713 sold in September, 2012. However, January through September, MINI used vehicle sales are up 17.9 percent on volume of 16,181 compared to 13,728 in the same period of 2012.