It was either taken off the market temporarily or was sold. You can search for all available vehicles here.
Model info:
The Infiniti M37 is a midsize luxury sedan that was produced by Infiniti, the luxury vehicle division of the Japanese automaker Nissan, from 2011 to 2013. It was the successor to the Infiniti M35 and was succeeded by the Infiniti Q70. The Infiniti M37 was praised for its combination of luxury, performance, and value, as well as its advanced technology features.