• (4.6) 17 reviews
  • MSRP: $655$9,471
  • 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 Take on the 2003 INFINITI M45

Our Take

At the New York International Auto Show in March 2002,Nissan’s luxury division introduced a pair of new models: a G35 Sport Coupe, related to the sedan of the same nomenclature, and an all-new M45 sedan. The “M” prefix has been used before by Infiniti — previously for a midra... Read Full Report


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

Read All Expert Reviews

Consumer Reviews


Average based on 17 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

1 Trim Levels Available

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Our 2003 INFINITI M45 trim comparison will help you decide.


Crash-Test Reports


There are currently 2 recalls for this car.

Safety defects and recalls are relatively common. Stay informed and know what to do ahead of time.

Safety defects and recalls explained

Service & Repair

Estimated Service & Repair cost: $5,000 per year.

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