The Infiniti M35x is a mid-size luxury sedan manufactured by Nissan's luxury division, Infiniti. It first entered the market in 2006, and was replaced by the Infiniti M37 in 2011. The M35x is powered by a 3.5 L V6 engine, and is equipped with an array of luxury features such as heated and cooled leather-appointed seats, power-adjustable steering wheel, a touch-screen navigation system, and an 11-speaker Bose audio system.