The Infiniti M is a luxury midsize sedan produced by Infiniti, Nissan's premium brand, spanning multiple generations from 1989 to 2013. It evolved with notable design refinements, performance upgrades, and technology enhancements aimed at competing in the luxury sedan segment. Each generation of the Infiniti M offered a blend of comfort, power, and advanced features, with changes in size and dimensions reflecting the trends and consumer demands of its period. The model was eventually succeeded by the Infiniti Q70, continuing Infiniti's legacy in the luxury sedan market.