Overview & Reviews

The M45 is completely redesigned for 2006 and bears no relation to the 2003-2004 M.

• Explosive power from smooth V8, capable handling, plenty of luxury features, excellent transmission.

• Noisy ride, complicated center stack controls.

User Reviews:

Showing 51 through 60 of 84.00

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  Great choice in this segment - 2006 Infiniti M45
  By DJ - June 2 - 10:43 am

  Purchased used w/4,000 miles, all options except DVD screen and heated rear seats. Great performance and handling for such a large car. Tested Lexus GS 430 and BMW 530 but M45 seemed much roomier in the back and quicker as well. Love the soft leather and rosewood, even though Lexus still more refined inside. Exterior styling also a little bland compared to E500 and GS 430. Nice exhaust rumble thats not intrusive when cruising at highway speeds. Glad I dont have sports suspension, supple ride thats only occasionally harsh over very large irregularities (especially if accelerating hard). Rides a bit noisier than Lexus, but expected given sporty personality.

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  The Dream Car - 2006 Infiniti M45
  By M45 - April 27 - 3:00 pm

  If you ever wanted a car that could do everything, the M45 is the car for you. It comes with every accessory known to man. Its one of those cars that you enjoy getting into every day to go to work or go on an outing. No matter where you go, people will be looking and admiring what you are driving. I have owned in my life time at least 12 vehicles from different makers and I can honestly say, I have found a home with the Infiniti M45.

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  Very Refined Hot Rod - 2006 Infiniti M45
  By Rob Conley - January 27 - 6:43 pm

  After driving many competitors, selected the M45. What a wonderful car. Very luxurious and spacious for four people. The interior is very well done, liked (and got) the wood accents. This is the best handling and quickest sedan I have ever driven. The manual-shifting automatic works MUCH better than others Ive tried. The shifts are very smooth, and it feels like it is meant to be used. I use it 90% of the time. The engine is just great, capable of quick acceleration from any speed. The navigation system has a learning curve, but is very useful and the voice feature actually works! Also like that the computer system supplements, but doesnt replace the audio and climate buttons.

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  The New Benchmark - 2006 Infiniti M45
  By Dr. E. Brown - November 1 - 6:03 pm

  The Infiniti-M series is the new benchmark in this class without a doubt. It takes all of the good qualites of the Lexus GS and BMW 5- Series and combines them into one complete package. The car is quick and handles well, and it feels like a real luxury car. The interior is beautifully finished and the exterior is very nice looking. This car has almost every feature someone could possibly want. Infiniti has hit a grand-slam with this car.

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  Long term love affair - 2006 Infiniti M45
  By cammer - August 30 - 7:11 pm

  Wanted to give a long term persepctive on the M45 (Sport) I have put over trouble free 60k miles on the car. I must say it has surpassed the high expectations I had when I bought it 5 years ago. I had purchased the car after Car & Driver rating it higher than the 5 series. I drove several of the competitors and was sold due to the handling, power, technology, build quality (only Nissan built in Japan in 06) and vale. It price out 15k less than comparable BMW, lexus & Mercedes. The car continues to deliver all the positive traits to this day!

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  Wife changes mind about M45 vs Q45 - 2006 Infiniti M45
  By Rosa Lee - August 20 - 4:30 am

  My husband purchased an M45 a month ago and initially I felt it was not as satisfying as our 2002 Q45 due to firmness of ride and being slightly noiser. But after driving it and having it this past month, I have changed my mind 100%. I love driving it and after lowering the tire pressure find it is not noisey at all. It is the best of the 7 Infinitis we have owned, (all Q45s except for my G35 Couple)

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  the perfect car - 2006 Infiniti M45
  By chris fisher - August 13 - 12:20 pm

  This car has so many toys I never get tired of them and the power is great my last car was a acura NSX 03 so I know what I am talking about. 19" rim back up camera dvd player navi rear stearing that loves to be pushed in to the corners I took a few of my friends for a ride and when we returned they all said WOW!! Now we see why you picked the m45 1/4 mile 13.8 0 to 60 5.6 thats crazy oh and my supercharger is in the works extra 100 hp cant hurt......

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  M45 Sport (Mmmmmm !!!) - 2006 Infiniti M45
  By Don Juan - August 8 - 11:50 am

  Excellent car and fun to drive ! More car for your money compared with other cars in similar categories. I get around 17-18 MPG, but whos complaining if you can afford a car over $50K. The sports package really makes a lot of difference if you like a little hard driving once in a while.

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  Disappointed - 2006 Infiniti M45
  By Lee - June 25 - 10:16 pm

  Purchased the M45 after owning a BMW 525, then a 2000 740IL. The Tech package of the M is awesome. Love the 3D GPS, voice activated controls, rear backup camera, A/C control seats (could be better), and overall looks. But from the very first oil change, have noticed using oil; not leaking, not smoking, but I have added from 1 to 2 quarts between changes. Also, moonroof leaks in any car wash, have had to have the AC serviced each year. Heated and cooled seats do not compare to the BMW. Ride is noisy, low-profile tires look great, but makes bumpy ride. If battery dies, no way to open the trunk (for jumper cables).

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  Infiniti m45 sport - 2006 Infiniti M45
  By vINCE - June 22 - 12:26 pm

  A great drivers car...Quick, responsive,extremely comfortable. Traded in a lexus ls 430 (2002)and have not looked back. I lost a minimal amout of interior space, which is more than compensated by a superior drive train (featuring a great v8),more and very intuitive technology and a great array of safety features