The new Infiniti M45 is a great piece of equipment. It's very well engineered, and may be the highest combination of smooth and fast in a mid-size luxury car ever to come down the pike. BMW, Mercedes, Audi, Jaguar and Cadillac have nothing for the M45's silky 340-horsepower engine. The 2003 Infiniti M45 plays its dual role well, but we have trouble deciding whether it is a luxury car or a sports sedan, Its styling doesn't help, offering little distinction. Click here to read more