Here you will find monthly and yearly Canadian, European and U.S. sales figures for the Infiniti QX70. The QX70’s predecessor, the FX. The Infiniti FX was renamed Infiniti QX70 in 2013. The Infiniti FX was introduced in the United States in 2003, and also became available in Europe through grey-market imports. In 2008, Infiniti was officially launched in Europe, and the second generation FX was introduced as well. The first generation FX has therefore never been sold through official Infiniti dealerships.