Michelin Primacy MXM4 Tires are on sale plus free shipping! The Michelin Primacy MXM4 tire continues a tradition of meeting the demanding standards of the world's leading luxury car makers. The Primacy MXM4 was developed for premium car owners seeking a combination of precise handling, refined ride quality, and all season safety. This tire offers the ultimate satisfaction blending a quiet, comfortable ride and enhanced fuel efficiency, with year-round all-season traction.