The Infiniti FX was a family of mid-size SUVs that debuted for the 2003 model year. The FX was built in three generations: 1st Gen (2003-2008), 2nd Gen (2009-2013), and 3rd Gen (2014-2017). These cars were offered with V6 or V8 engines which were paired to automatic transmissions. Depending on configuration, the FX could be rear wheel drive or all wheel drive. For the final generation, the FX became known as the QX70. The QX70 was in production for three years before the model was discontinued.