Overview & Reviews

Following last year's redesign, the Infiniti M45 gets only minor tweaks for 2007. A 10-way power-adjustable passenger seat has been added to the standard features list, along with a compass and a HomeLink remote transmitter. The car's Technology and Journey packages have been revised, and a new Advanced Package has been added. New SAE engine rating procedures have also resulted in lower power figures for the V8, but actual performance is unaffected.

• Explosive power from a smooth V8, roomy cabin, sharp steering, responsive handling, long list of luxury features.

• Some mediocre interior trim, center stack controls can be a challenge to decipher.

User Reviews:

Showing 1 through 10 of 31.00

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  Excellent Car - 2007 Infiniti M45
  By CTB - December 22 - 12:46 am

  Outstanding sport car in a sedan body; great vehicle for those that like a blend of luxury, quality and speed

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  Best car yet! - 2007 Infiniti M45
  By dfcarter24 - November 15 - 1:20 pm

  Being my first sedan since my 1989 Ford SHO, and many Suburban and pickups in between, I spent 1 year researching and dreaming of what I wanted in a sports sedan. The Infiniti M45 Sport has exceeded all my expectations. My only complaints would be the poor fuel mileage (what did I expect in a 335 hp hot rod?), perceived need for a six-speed transmission, and the non-effective high-beam headlights. But these complaints would not deter me from buying this car all over again. I probably should have sprung for the Bose 5.1 surround-sound system, but the regular Bose system is certainly no slouch. Fresh off a mountain romp through the twisties, the smile on my face could very well be permanent!

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  Extremely Recommended - 2007 Infiniti M45
  By Lars - November 13 - 12:50 am

  I test drove Volvo, Saturn, BMW, Mercedes, Audi and Lexus. None of these other cars are so much fun to drive with such great technology features as the Infiniti. My M45 is fast, easy to drive, comfortable with more leg and head space than Audi, BMW or Mercedes has. What a smooth ride.

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  My last car - 2007 Infiniti M45
  By brobob - August 12 - 3:06 am

  I have had my eye out for this car ever since I heard there would be a replacement for the Ms. Right away I loved the look of it from every angle. My last car was an Infiniti and I have found that Infiniti treats its customers right. It has the good power that require. When I first heard the 5.1 sound system I was sold. The car feels and sounds solid. A little too much road noise when the road has thumps. Other than that I love the car.

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  Problem with headlights - 2007 Infiniti M45
  By pep - June 25 - 3:00 pm

  Everything that you have read about this car is true (its great), its hard to believe anyone being disappointed with the M45 Sport. However if you drive this car on the highway at night, you need to know that the design of the headlights is faulty. The high beams are focused so high that they do not illuminate the road in front of the car at all. There is a single adjust for both high and low beam lights so if you take your car to the dealer they will misalign the low beam focus if you complain of the faulty high beams. I drive 70 miles at night on a desert highway to work daily, if you drive your M45 in town this will not be an issue.

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  Love this car - 2007 Infiniti M45
  By Don - May 22 - 3:53 pm

  I recently purchased this car and loved the way it handled. I just traveled from Florida to Virginia and back, and thats when I really appreciated the cars handling and features. The navigation system routed me differently than I usually go, and it turned out better. The steering control of the bluetooth phone, stereo, and cruise control was great. The gas mileage was a little lower (19.2 MPG) than I would like, but the power and comfort made it worthwhile.

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  3 months in and I love it - 2007 Infiniti M45
  By alangsam - March 3 - 2:26 am

  Car is a great mix of luxury and power and sports car all in one. Very comfortable seats, very smooth power. Car really does well in the 40-80 acceleration. 4000 miles and only an oil change. Car handles very well, better than my BMW 530i.

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  Great performance and fun driving - 2007 Infiniti M45
  By KS - February 7 - 7:16 pm

  Just leased 2007 sport model with techno package and aerodynamic kit black on black and must say it is one hell of a car. I have been looking for a while and narrowed my choices down to BMW 530i sport and Infiniti M45, I was leaning more towards Infiniti although it was more expensive than BMW but I was able to get a great deal and all the options I was looking for. This car feels expensive and it is a blast to drive! The engine is so smooth and the exhaust growl makes me want to floor it every time. Even when I pull up to Mercedes S class or BMW 7 series they cant help but stare at my Infiniti and then I leave them in my dust.

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  FANTASTIC II - 2007 Infiniti M45
  By CSRMAX - March 4 - 5:00 am

  Excellent... upgraded from a a early (March 2005) M35 Sport.

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  Amazing Ride - 2007 Infiniti M45
  By Kris Shanahan - February 27 - 4:40 pm

  This car continues to blow my mind. It is by far the best car I have ever driven. I trade in every 2-3 years, but it is going to be hard to give this car up.