(4.7) 14 reviews
MSRP: $1,142$8,622
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 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

1 Trim Available

A trim is a style of a vehicle model. Each higher trim has different or upgraded features from the previous trim along with a price increase. Learn more about trims

Trims Explained

When talking about cars, “trims” is a way of differentiating between different versions of the same model. Typically, most start with a no-frills, or “base” trim, and as features are added, or a different engine, drivetrain (gas vs. hybrid, for example) or transmission are included, trim names change and prices go up.

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, or that you’re not overpaying for features you don’t want.


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

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