Overview & Reviews

The M45 performance sport sedan comes standard with class-leading V8 performance and a long list of world-class amenities.

• Brawny V8 engine, capable handling, plenty of luxury features, reasonable price.

• Limited rear-seat legroom and trunk space, fussy control layout.

User Reviews:

Showing 31 through 40 of 105.00

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  Cant stop driving it!! - 2003 Infiniti M45
  By Hotdog - December 24 - 2:00 am

  Ive had this car for 3 weeks now, and Ive gotten so many looks on the street! No one really knows what it is yet and thats what makes it even more fun!! The engine is really quiet even when you push it hard, and if youre not used to this kind of power, whiplashes wont be scarce events. The interior is beautiful, and it offers so much more than the BMWs and Benzs and Lexuss of the same price range. As for fuel economy, my previous car was a 1982 Buick Electra V8, so the M45 sipps gas compared to that. Not saying it has great fuel economy, but I just dont think its that bad.

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  M$% 2003 - 2003 Infiniti M45
  By bocaharv - December 20 - 2:00 am

  Have the car just 1 week. Traded a Q45T 1999. This car is delightfull. Love the voice commands & ac seats. Great value for the money. Wife has a 2002 Mercedes C320. cost about the same but this car is much more comfortable.

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  My new M45 - 2003 Infiniti M45
  By mbaworks - December 8 - 10:00 am

  For someone who liked Japanese Sport Cars, like the Toyota Supra Turbo, this car delivers quick acceleration with superb stability. The braking system is excellent which comes in handy. This car is more a sport car than a sedan.

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  So far so good - 2003 Infiniti M45
  By rog - November 1 - 6:50 pm

  I just bought my M45 almost a week ago and so far I am very pleased with my ride. I just love the power this car possesses underneath its hood. I am also very careful on how I have my foot to the pedal, since this V-8 monster will definitely gulp down its gas tank. Overall, I am very happy with the build, interior and exterior wise. Also, with lots of hp, this is seriously one very fast car. The ride is pretty smooth too.

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  My M45 - 2003 Infiniti M45
  By PJRLITE - August 27 - 2:00 am

  Three months into my new M45 , I am generally pleased. Dash layout , road noise ( wind and underbody )and transmission delay are all points of concern . ...For $45K I should have gone with a BMW 5 series.......

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  my m45 - 2003 Infiniti M45
  By c mckee - July 27 - 10:00 am

  This car is in a class of its own. Since the purchase of my m45 I have had many people ask about it. And a lot of thumbs up on the interstate. It is 197in long and 340hp a lot faster than the cars in the 60-70k range. "bmw" "benz" O and the VDC has saved me from skiding more than once in wet weather.

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  The M45 - 2003 Infiniti M45
  By elagee - July 21 - 2:00 am

  This car is a smaller version of the Q45 but it certainly doesnt ride like it. I can feel every bump in the road. But, if you like power and speed and want to blow the doors off of the car next to you, this is the one. The ride is firm, there is no hesitation in acceleration, curves are not a problem and as the driver you have complete control of the car---no matter how fast you are going. Appointments are nice but not spectacular. Although I have only owned the M45 for a short time I am enjoying driving it.

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  Infinity M 45 - 2003 Infiniti M45
  By valo - July 21 - 2:00 am

  THe turning radius on this supposed sport vechicle is pitiful.It takes two attempts to make a u turn.You cannot make any adjustment to temp or radio with doing two things. Nothing is easy. The driver seat is so uncomfortable. I had 3 Q 45s before this - I made a terrible error in buying this car.

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  the best bang for your buck you can buy! - 2003 Infiniti M45
  By Donny M - June 9 - 2:00 am

  This car is one of those "best kept secrets" in its price range--but its still new on the market yet, and when the secret gets out, watch out! The power is unbelievable--340hp--and it drives like a dream. The interior is comfortable and ultra luxurious and has great features, especially the voice- activated system--I can access my sound system,(10 BOSE speakers!)or adjust the climate control simply by speaking. If you can live without fancy European names --this is the best car for the value!!

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  Jeckyll and Hyde - 2003 Infiniti M45
  By qualityfirst1 - May 14 - 6:16 am

  I still believe this car is a Jeckyll and Hyde. Were still enjoying the power, but the transmission isnt very responsive and the manual mode is worthless. The seats are comfortable and have nice amenities, but the drivers seat squeaks now. We still love all the gadgets, but they are difficult to use. Weve encountered more issues, but we do have 108K miles now. The exhaust manifold was changed under warranty. Now its cracked again - poorly engineered. We still burn a quart every 1,000 miles (108 quarts so far!) Tire wear is phenomenal. The originals ran 28K miles. The second set were Essenzia and were just changed. The new Hankook Ventas dont feel very good on the car.