2009 INFINITI M 45 x is a Sedan model with 5-speed shiftable automatic transmission. This is a all wheel drive model With a power of 325 HP and 336.00 ft lbs of torque. An urban consumption is 14.00 MPG. The engine has a capacity of 4.50L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.