Infiniti has moved the CD changer from the glovebox to the dash. Several of last year's options are standard for 2004, including heated outside mirrors, an auto-dimming rearview mirror with Homelink and compass, two-position memory for the driver seat, a tire-pressure monitoring system and a full-size spare tire. The navigation system (with voice recognition technology) is now available as a stand-alone option.

Consumer reviews

Read what other owners think about the 2004 INFINITI M45.

Overall Consumer Rating

4.832 reviews

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5(88%)

4(9%)

3(3%)

2(0%)

1(0%)

Most helpful consumer reviews

It's going to be a classic

Karl,11/17/2007

Bought my 2004 brand new right after my BMW 540i came out of the shop, Again. It is an awesome car that is not well known. I took a BMW 530 to task with no problem. No one knows what this "sleeper" can do. Most don't even know what the M45 is. At 70 MPH this car is asking you to please let it go faster. At 100 MPH its asking to please open it up all the way. During that time it

A lot of car for the money!

Enrico Gamboa,03/19/2004

I wanted a Mercedes E500 since I've been driving Mercedes cars three years, but it stickers for $63k with the options I like. I decided to look at the 2003 Infiniti M45. The performance is fantastic! It looks great inside with plenty of new tech equipment and the exterior design is classic and modern. It has 340 hp compared to 302 hp in the Mercedes E500 and $17000 less

The Best Infiniti I Have Ever Owned

ShirleyK,07/10/2004

This Infiniti looks beautiful and is a pleasure to drive. The car is well built and safe. Passengers tell me it is comfortable as well. The spacious trunk is great, and the navigation system has helped me out in many instances. I am a proud owner of a M45 Infiniti!

Best Performance and comfort

Sam,01/07/2005

Best Sedan performance plus quality for the money in America, specially 1-2 yr old used one. Smooth and quiet at high speeds. Great stereo.

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Features & Specs

MPG

16 city / 22 hwy

Seats 5

5-speed shiftable automatic

Gas

340 hp @ 6400 rpm

See all Used 2004 INFINITI M45 features & specs

More about the 2004 INFINITI M45

Used 2004 INFINITI M45 Overview

The Used 2004 INFINITI M45 is offered in the following submodels: M45 Sedan. Available styles include 4dr Sedan (4.5L 8cyl 5A).

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Should I lease or buy a 2004 INFINITI M45?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

Used 2004 INFINITI M45

Used