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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  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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  Great car, very fast + lots of fun - 2007 Infiniti M45
  By freshpavement - February 25 - 6:30 am

  After test driving almost every model made by BMW, Mercedes, Audi & Lexus, I was surprised that the Infiniti M45 was the most comfortable, fun to drive and intelligently designed of the bunch. I wanted a 4-door sedan, so during the test drive I put my 63" son in the back seat and he had plenty of leg & headroom (not the case with the BMW 5 or 7 series, nor the Mercedes E or S Series). The electronic systems are easy to use - I pretty much had it down after the first drive. Its a really fast car - in fact, Ive had to talk my way out of two speeding tickets in the year Ive owned it. No problems whatsoever, great sound system (I got the sport model with the nav/tech package).

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  Japan made a good sport sedan - 2007 Infiniti M45
  By ignacio garcia - May 16 - 4:00 am

  After researching several cars in this class including the BMW550 and the Lexus IS350 and others, I selected the M45Sport for its handling and value. Two problems for a 65 year old like me are: 1) Stiff ride for long trips. 2) Road noise. Gas mileage is another problem. Toyota has the technology backwards: If you want the sensing of front traffic while on cruise control or lane change notice, then push a button not the other way around. Excellent car overall.

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  M45 Review - 2007 Infiniti M45
  By Dan - January 20 - 2:10 pm

  While this car is complete with everything, the only thing that is in need of improvement is the Sport Rims. The car runs fantastic with every possible feature, DVD, Bluetooth, navigation with voice recognition, etc. However, the roads here in New England make sense for stronger sport rims as they are built too soft and have twice caused major cracking to the wheels which had to be replaced. While this is a not necessarily a flaw, normal driving conditions in New England include potholes, and hindsight is 20/20 and I would have chosen different more durable rims, although the sport rims give a better appearance.

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  1a - 2007 Infiniti M45
  By mboy - December 30 - 10:40 am

  After 3500 miles the M45 has been a pure joy to drive. The rear view camera works very well as does the adaptive speed control. The lane departure function can be annoying on streets that have uneven surfaces or are a bit rough as these surfaces are picked up as lines and false readings are frequent. I am about to turn this feature off. Acceleration is more than adequate and handling is superb. Fuel consumption is a bit disappointing at only 16 mpg combined. Overall a great car.