The 2004 M45 is a 4-door, 5-passenger luxury sports sedan, available in one trim only, the Sedan. The 2004... More Info M45's closest competitors include the Acura 3.5 RL, the Jaguar XJ, and the Volvo S80.
Upon introduction, the M45 is equipped with a standard 4.5-liter, V8, 340-horsepower engine that achieves 17-mpg in the city and 23-mpg on the highway. A 5-speed automatic transmission with overdrive is standard.
The 2004 M45 is a carryover from 2003.
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