(4.7) 14 reviews
MSRP: $888$8,452
Body Style: Sedan
Combined MPG: 20
Engine: 340-hp, 4.5-liter V-8 (premium)
Drivetrain: Rear-wheel Drive
Transmission: 5-speed automatic w/OD and auto-manual


Our Expert Reviews

With a 340-horsepower V-8 engine driving the rear wheels, M45 is a fast machine with lots of appeal. A new addition that fills out Infiniti's middle range, it's also a conservative-looking sedan that fails to register many second glances. And based on a long-running Nissan staple in Japan, M45 is saddled with some aging chassis technology. Nissan and its luxury division, Infini... Read full review for the 2003 INFINITI M 45

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Consumer Reviews


Average based on 14 reviews

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Power and style

by infinity fan from Marlboro, MA on February 20, 2010

It sometimes has poor throttle response but when the engine does opens up, you get a whoosh of excitement and a wealth of power that puts you into your seat. It is a big car that drives like a coupe a... Read Full Review