Ok ive about had it so far and im about to take my M13 back to the shop for the 3rd time first two times were for alignment and the second was becuse the driver rear was off balance by 2oz. Ok who else is havi g this same prob. Ive only been avg about 18-21mpg, and thats a combined of city and hwy so if any of yall are having this prob let me know thanks