The 2010 Infiniti FX50 is a five-passenger, mid-size luxury sports crossover SUV. Only one AWD trim is available and it is powered by a strong 5.0L V8 engine generating 390 hp. This engine is paired with a slick-shifting seven-speed automatic with manual shift control. The FX50 is a muscle car in SUV clothing and it now features Bluetooth as part of its many standard features.