2010 Infiniti M45

The 2010 Infiniti M45 is a 4-door, 5-seat Sedan, available in 1 , the Base. Upon introduction, the $52,150 Base is equipped with a standard 4.5L, 8-cylinder, engine that achieves 16-mpg in the city and 21-mpg on the highway. An Automatic transmission is standard. The $52,150 Base is equipped with a standard 4.5L, 8-cylinder, engine that achieves 16-mpg in the city and 21-mpg on the highway. An Automatic transmission is standard.