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 71 through 80 of 105.00-
M for Muscle 4.5 V8 - 2003 Infiniti M45
By TJ - September 21 - 7:56 pmI bought a used 2003 M45 in 2006 with 28000 miles on it. It is black with brushed aluminum wheels. It also has hand painted silver and gray pinstripe along the length of the vehicle. This picks up the chrome and the wheels nicely. This car is a beast on the road. I have complete confidence in the capabilities when highway driving. The car is very stable. Stays flat on the road. No pitch or yaw issues for a car of this size. There is more than enough power to get you in/out of trouble ;)... The V8 is smooth and responsive. It responds with a growl during acceleration at any rpms. There is no equal for the money. What a value!
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Excellent Value - 2003 Infiniti M45
By DarenP - July 6 - 2:00 amIve had this vehicle for almost 6 months and its my favorite of all time. It really is the muscle car with brains. Lots of comfort and lots of power! A real blast to drive, yet a lot of comfort inside. And the price is a steal compared to its competitors. Id highly recommend this vehicle.
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Fantastic Car, Buy it Now! - 2003 Infiniti M45
By Up from Volvo S80/T6 - May 25 - 2:00 amTerrific package for a price thats many thousands less than "comparable" GS 430, E500, and 540i. Powerful, smooth, responsive, fun to drive. And NO turbo lag like the Volvo S80/T6. Used manual shift mode in MW snow today and had no problem moving this rear drive car in 8" unplowed shopping center lot. This is the car GM should go after with a GTO badge if they want to get back in the game. Get double take looks everywhere, which you see in the rear view mirror as you zoom past! This will be a hot model for Infiniti, on top of their award winning G35.
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unsafe to drive at certain speeds - 2003 Infiniti M45
By candidph - May 7 - 2:00 amUnsafe factors are that the vehicle hesitates two to three seconds when sudden acceleration is required such as for merging lanes in freeway traffic. The cruise-control "collision avoidance" feature tends to cause rear- end collisions because it causes the vehicle to suddenly decellerate when it tries to pass a truck-trailer rig on an adjacent freeway lane, especially on an inside curve. There is a severe blind spot at the left and right windshield post and adjacent car door (where the rear-view mirrors are mounted) for people of short stature like myself, a problem for close manuvering.
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BADMOFO - 2003 Infiniti M45
By pwr-m45 - February 5 - 2:00 amFor this money (43k)total with both comfort and premium pkgs. my M45 is black on black with natural birdseye maple trim.absolutly sweet.and since infiniti calls it a muscle car i decided to make my m45 look and sound the part.with a wonderful magnaflow exaust system, with that eat my dust roar at full throtle and whisper quiet at cruise(infiniti approved of course,and lovely 19"by 9" chrome blades on 255-40s z-rated.tinted windows all around finished the pkg.I used to droole over the (S55AMG)but now i laugh all the way to the bank.with the money i saved i could buy a commuter and trick out my m45 to absolution!!!
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Definitely an all around muscle car and more - 2003 Infiniti M45
By vitalydelvalle - January 20 - 12:20 pmI purchased this car 1 year ago fully loaded with 65k miles on the clock. The car gets loads of attention and compliments, my mechanic always compliments the powerful v8 and many get surprised when they find out the car has 340 horses under the hood. Ive had a few issues with the car, like the fuel gauge inaccuracy which has left me stranded a few times on the road. My camshaft position sensor failed me at around 75k miles. My only complaint is parts are scarce and everything must be special ordered from infiniti. Other than parts issues, recalls, and general maintenance this car is flawless .
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My 2003 M45 - 2003 Infiniti M45
By PREFECTO - January 18 - 6:56 amI have 22k miles and see puffs of blue smoke on almost every startup. Have scheduled car to have an oil consumption test performed by Dealer. I know the car is using at least a quart of oil every 1000 miles. Dealer has already de-carbonated the engine! To NO satisfaction the blue smoke still appears on EVERY start. They tell me its the advanced oiling system providing more oil in the valvetrain area and just burnoff. Ive Called Infiniti direct, regarding breaking problems. Rotors warped, had to be replaced! Car was only two months old and had to have a new battery! I have spoken to Infiniti Consumer Affairs on three different occassions, which in my case, it has worked!
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HUH? - 2003 Infiniti M45
By Randy Tate - January 16 - 2:00 amAlthough Ive only had the car a month... I love it
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Rot Lot Causes Too Many Tow Ins! - 2003 Infiniti M45
By FirstTimeInfiniti - January 11 - 7:26 amI got a really great deal on a left over 2003 M45 demo with 1200 miles. The dealer advertised $10,000 off MSRP and thats what I paid. $35K for a rwd V-8 is a great deal. But with the deal has come some real reliability issues including new tires (Michelin Pilots) due to lot rot, new battery and a new fuel pump (all replaced under warranty). Ive had this car towed in twice in 6 weeks! I worked for GM for 4 years and am begining to wonder if I bought a Buick! Dealer has made necessary repairs but has done little to build my loyalty. Again, is this a GM dealer? Lesson learned: dont buy a failed model that has sat on the lot for over a year after build date (October 2002).
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Get Your Motor Runnin - 2003 Infiniti M45
By Wild Woodpecker - December 10 - 2:00 amA terrific car - really is the musclecar with a brain - kills the Marauder - in a class by itself. Handsome and fun to drive..........
