The Q45 is Infiniti's flagship and comes powered by a 340hp V8 engine driving the rear wheels, offering well-balanced handling for a car its size. The Infiniti Q45 receives a freshened exterior for 2005. In addition, the active damping suspension that was previously optional is now standard. | JB's RATING 3.5 STARTING MSRP N/A ENGINE: 4.5l 8-cyl. (340hp) |