2007 INFINITI M45 Review
Price Estimate: $1,103 - $1,774
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Edmunds' Expert Review
by the Edmunds Experts
Pros
- Explosive power from a smooth V8, roomy cabin, sharp steering, responsive handling, long list of luxury features.
Cons
- Some mediocre interior trim, center stack controls can be a challenge to decipher.
What’s new
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.
Edmunds says
Though the 2007 Infiniti M45 doesn't quite match the competition in terms of luxury and refinement, it's a winning choice for those whose priorities are oriented toward performance.
For sale near Ashburn, VA
4 listings
- 159,417 miles
- No accidents, 2 owners, personal use
- 16 City / 21 Hwy MPG
- Raleigh Imports (230 mi away)
- Bluetooth
- Leather Seats
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Raleigh, NC
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
18 Combined MPG (16 City/21 Highway)
Listing Information:
VIN: JNKBY01E47M401645
Stock: 401645
Certified Pre-Owned: No
Listed since: 11-11-2025- 81,101 miles
- No accidents, 1 owner, personal use only
- 16 City / 21 Hwy MPG
- A Better Way Wholesale Autos (291 mi away)
- Bluetooth
- Leather Seats
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Naugatuck, CT
- **Powerful Performance**: Equipped with a robust 4.5L V8 engine, delivering thrilling power and smooth acceleration. - **Luxurious Comfort**: Black...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
18 Combined MPG (16 City/21 Highway)
Listing Information:
VIN: JNKBY01E57M400911
Stock: 400911N
Certified Pre-Owned: No
Vehicle overview
Everyone likes to witness a good metamorphosis. They impart a spirit of hope and leave us with the sense that anything is possible. As far as automotive metamorphoses go, few have been more dramatic than that exhibited by the Infiniti M45. The car began life as a wallflower; it offered lots of value for the money but was short on sex appeal and outgunned by the competition in terms of style, features and interior room. Infiniti brought the car in for some much-needed revisions, and in model-year 2006, the M made like a butterfly and spread its wings as two dazzling, all-new sedans -- the M35 and M45.
With its sculpted lines, the 2007 Infiniti M45 boasts all the requisite aesthetic upgrades that come with any good redesign, but its makeover is about more than mere appearances. The car has been endowed with a more spacious cabin, one that offers more front head- and legroom than others in its class. The M45's interior design cues are a bit busy when compared to those of competitors like the elegantly understated Lexus GS 430. But overall, the car's cabin is well-built and attractive, and we have no doubt that most folks will be more than satisfied with what it has to offer.
Without a doubt, the M45's most appealing feature is its sporty persona. The muscle-bound 4.5-liter V8 is good for 325 horsepower and 336 pound-feet of torque, and is as solid an engine as you'll find in this segment. Power delivery is explosive, low-end torque is abundant and it's smooth enough to feel at home in a sedan with a six-figure price tag. The suspension is pleasingly firm and the car feels balanced when driven aggressively. The steering is also impressively quick on the Sport model, as it comes with an active rear-steering system.
Relative to the competition, the M45 trails when it comes to refinement. Those seeking a choice with maximum polish will be happiest with a car like the Acura RL, Lexus GS 430 or Mercedes-Benz E550. But the 2007 Infiniti M45 takes top honors for being the true driver's car of its class. If you're an enthusiast, you'll find this Infiniti's bravado downright irresistible.
Performance & mpg
The rear-wheel-drive M45 is motivated by a brawny 4.5-liter V8 that's capable of 325 hp and 336 lb-ft of torque. A five-speed automatic with automanual capability and downshift rev-matching is standard. An M45 that we tested hit 60 in 5.7 seconds and completed the quarter-mile in 14.4 seconds.
Safety
The M45's suite of safety features includes ABS, stability control, front active head restraints, front seat side- and full-length side-curtain airbags. An available lane-departure warning system alerts the driver of unintended lane drifting. In IIHS crash tests, the 2007 Infiniti M45 scored a "Good" rating the highest possible in both frontal and side impact protection.
Driving
The V8 engine in the 2007 Infiniti M45 provides gobs of low-end torque and smoothness. Power delivery, either out on the highway or off the line, is outstanding. Braking performance is impressive, and a firmly tuned suspension provides excellent balance in the corners. The trade-off is that the car, especially in Sport trim, can feel a bit raw around town as the suspension can be unforgiving over large road irregularities.
Interior
The M45's interior is sportier than that of others in its class, with firm, heavily bolstered seats, a can't-miss-it tachometer and real aluminum (in the Sport model) trim. The car's décor isn't as streamlined and eye-pleasing as that of rivals, however. Gauges are lit in a less-than-ambient orange and the center stack controls are a bit busy. Additionally, the Infiniti name and logo are embroidered on the seats, a touch many on our staff found a bit over the top. All in all, though, the M45's cabin is pleasant and well put together, and we have no doubt that most will be more than happy to spend time in it.
2007 INFINITI M45 models
The 2007 Infiniti M45 comes in two flavors: base and Sport. Standard on the base trim are 18-inch alloy wheels, a 10-way power-adjustable driver seat, Rosewood trim, leather upholstery, one-touch up-and-down power windows, dual-zone automatic climate control, an auto-dimming rearview mirror, heated outside mirrors and a 160-watt, six-speaker sound system with a six-CD changer with MP3 playback capability. The Sport trim substitutes aluminum accents for the wood ones and adds 19-inch alloys, a sport-tuned suspension, an active rear-steer system and adaptive HID headlamps.
Available packages add a navigation system, voice-recognition technology, a center-console-mounted DVD player and adaptive cruise control. (This system senses vehicles ahead and adjusts your speed to maintain a selected following distance.) Among the other extras are a lane-departure warning system and a 14-speaker Bose surround-sound audio system.

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Owners' Opinions
What Owners Like
Owners consistently appreciate the 2007 Infiniti M45 for its compelling balance of luxury and performance. Many highlight the car's powerful 4.5-liter V8 engine, which delivers ample acceleration and a satisfying exhaust note that makes driving a thrill. This powertrain paired with precise handling makes the M45 feel agile, suggesting it could easily rival some sports cars despite its sedan classification. The interior doesn't lag when it comes to refinements either; it boasts a spacious cabin with comfortable seating that caters well to both drivers and passengers. Features such as the 14-speaker Bose surround-sound system and a thoughtful control layout enhance the driving experience by providing high-quality entertainment and functionality. The exterior styling also garners praise, often catching the attention of onlookers and drawing compliments for its striking design. Reliability and the presence of advanced technology, like adaptive cruise control and navigation, further underscore why this model remains a favorite among its owners.
Common Issues
Owners of the 2007 Infiniti M45 have identified several areas of concern, particularly regarding the vehicle's fuel efficiency and ride comfort. The car's fuel consumption is a frequent complaint, with many drivers noting that it falls short of expectations, especially given the power of the V8 engine. Additionally, the Sport trim's suspension can be too firm for some, leading to a less comfortable ride on rough roads or extended trips. Road noise is another annoyance, particularly on highways with rough surfaces, which can be disruptive during long drives. While the vehicle is packed with features, some owners feel that the lack of modern connectivity options like auxiliary inputs or comprehensive Bluetooth audio capabilities is a notable omission. Moreover, the vehicle’s high beams could be improved, as drivers find them inefficient for illuminating the road effectively. Lastly, for those in snowy regions, handling with the Sport model’s standard tires can be challenging, necessitating a switch to winter-specific tires for better control.
Final Takeaways from Everyday Drivers
Everyday drivers of the 2007 Infiniti M45 express overwhelming satisfaction with the vehicle’s reliability and day-to-day driving experience. Many appreciate how its powerful V8 engine affords exhilarating acceleration, transforming mundane commutes into moments of pure driving pleasure. The sedan's spacious cabin ensures comfort for both the driver and passengers, particularly on longer trips, where the well-designed seats and atmosphere enhance the journey. Features like the intuitive navigation system and premium Bose audio system add a layer of convenience and enjoyment, making routine drives more engaging. However, fuel efficiency remains a concern for those with longer daily commutes, as some owners find themselves visiting the pump more frequently. Despite this, the vehicle's overall durability and blend of luxury amenities keep it at the forefront for those who prioritize performance without sacrificing comfort. Compliments from onlookers about its sleek exterior further affirm drivers that choosing the M45 was a smart move.
Cost to Drive
Monthly estimates based on costs in Virginia
$283/mo for M45 Base
M45 Base
vs
$181/mo
Avg. Midsize Car
Reliability
The 2007 INFINITI M45 has a 4 years / 60,000 miles basic warranty and 5 recalls. Below you’ll find our owner reviews.
Recalls
5 recalls foundChecking if a car has a recall is simple. Just type the car's VIN number into the NHTSA website (https://www.nhtsa.gov/recalls). If there's an unrepaired recall, you'll see it there.
If a recall shows up, just call your local car dealer. They'll know about the recall and will work with the car maker to fix it for free (if the recall happened within 10 years of the car being first sold).
- Recall Number:
- 22E066000
- Number of vehicles affected:
- 375
- Defect Description:
- Nissan North America, Inc. (Nissan) is recalling certain air bag inflator replacement service parts that may have been installed as part of a theft or collision repair. The parts include certain passenger-side air bag inflators designed to fit Infiniti 2002-2003 QX4, 2006-2010 M35 and M45; Nissan 2001-2003 Maxima, 2002-2006 Sentra, and both driver and passenger-side inflators designed to fit 2007-2012 Versa Sedan and Versa Hatchback vehicles. Please see Nissan's recall report for the specific part numbers. These replacement inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
- Defect Consequence:
- An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Corrective Action:
- Dealers will inspect and replace the inflators as necessary, free of charge. Owner notification letters are expected to be mailed September 14, 2022. Owners may contact Nissan's customer service at 1-800-867-7669.
- Recall Number:
- 20V008000
- Number of vehicles affected:
- 307962
- Defect Description:
- Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
- Defect Consequence:
- An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Corrective Action:
- Nissan will notify owners, and dealers will replace the front passenger air bag inflators with alternate desiccated inflators, free of charge. The recall began February 12, 2020. Owners may contact Nissan customer service at 888-737-9511 or Infiniti customer service at 888-810-3715.
- Recall Number:
- 17V028000
- Manufactured from:
- 2004-03-16 to 2008-03-01
- Number of vehicles affected:
- 152554
- Defect Description:
- Nissan North America, Inc. (Nissan) is recalling certain 2012 Nissan Versa hatchbacks originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan) and the U.S. Virgin Islands, or "Zone A". Additionally, if not included in "Zone A" above, Nissan is recalling certain 2009-2010 Infiniti M35 and M45 and 2009 Nissan Versa sedans and hatchbacks originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B". Additionally, if not included in "Zone A" or "Zone B" above, Nissan is recalling certain 2005-2008 Infiniti FX35 and FX45, 2006-2010 Infiniti M35 and M45, and 2007-2008 Nissan Versa vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
- Defect Consequence:
- An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
- Corrective Action:
- Nissan will notify owners, and dealers will replace the front passenger air bag inflators, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Nissan customer service at 1-800-647-7261.
- Recall Number:
- 16V349000
- Manufactured from:
- 2004-08-02 to 2010-01-07
- Number of vehicles affected:
- 413852
- Defect Description:
- Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2010 Infiniti M35 and M45, and 2007-2011 Nissan Versa vehicles, originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Nissan is recalling certain model year 2005-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2008 Infiniti M35 and M45, and 2007-2008 Nissan Versa vehicles, originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Nissan is recalling certain model year 2003-2004 Infiniti I35 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. These inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
- Defect Consequence:
- An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
- Corrective Action:
- Nissan will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Interim letters informing owners that parts are not yet available were mailed to owners on July 22, 2016. A second notice will be mailed when remedy parts are available. Owners may contact Nissan customer service at 1-800-647-7261.
- Recall Number:
- 13V430000
- Manufactured from:
- 2004-04-04 to 2010-10-05
- Number of vehicles affected:
- 98307
- Defect Description:
- Nissan North America, Inc. (Nissan) is recalling certain model year 2006-2010 Infiniti M35 and M45 vehicles manufactured April 4, 2004, through October 5, 2010. Over time, the accelerator pedal sensor signal may deteriorate resulting in the output of an incorrect signal causing the engine to go into fail-safe (limp home) mode.
- Defect Consequence:
- In this fail-safe mode, throttle valve deposits may cause the engine to stall when the vehicle is coming to a stop or at idle, increasing the risk of a crash.
- Corrective Action:
- Nissan will notify owners, and dealers will replace the accelerator pedal assembly and reprogram the engine control module, free of charge. The recall is expected to begin in early November 2013. Owners may contact Nissan at 1-800-647-7261.
Warranty
4 years / 60,000 miles Basic Warranty- Basic Warranty
- 4 years / 60,000 miles
- Drivetrain Warranty
- 6 years / 70,000 miles
- Rust Warranty
- 7 years / unlimited miles
- Roadside assistance Warranty
- 4 years / 60,000 miles
INFINITI M45 Reviews
Owner Reviews
5(85%)
4(15%)
3(0%)
2(0%)
1(0%)
Most Helpful Owner Reviews
Trending topics
Outstanding to Own!!
4.88 out of 5 starsWendell, 11/06/2006
2007 INFINITI M45 Sport 4dr Sedan (4.5L 8cyl 5A)
Leased this car about 3 weeks ago. Have been following this model since the redesign in 2006. When my 2003 Volvo S80 lease was about to end, I saw an special on the website. I went in to the local dealer and they were able to set me up. although I went in to get an M35, I ended up deciding on the M45 Sport. The 8 cylinder is only 1 mile per gallon different in the MPG. The power of the … 4.5L is quiet but very muscular. The interior comforts are great and the overall appearance of the car bring many compliments. Got a 21 month lease on the car at about $100.00 per month more than I was paying for my S80. love driving this machine....
Best car I've ever owned
5 out of 5 starsmike8231985, 04/19/2012
2007 INFINITI M45 4dr Sedan (4.5L 8cyl 5A)
I had a Mercedes E-class prior to this and was ready for something more sporty. I'm in my 20s, and I think the E-Class is geared towards older people who just want comfort. The M45 is for people who like to drive hard and get thrills from speed and performance. I never thought a sedan would be as much fun/more fun as my BMW 330ci. Reliability is amazing and part of the reason I decided … against buying another German car. The Infiniti fits my personality a lot better than the stuffy E-class.
M45 Sport
4.88 out of 5 starsdesertfox, 10/20/2009
2007 INFINITI M45 Sport 4dr Sedan (4.5L 8cyl 5A)
Purchased this car used w/27,000 miles on it. CPO Infiniti. I'm a Lexus guy and still own one but this car really opened my eyes. The ride quality is great, no issues with sport suspension. Interior is quiet as any luxury car I have ever driven. This car takes no backseat to any German luxo sedan out there.
1a
4.38 out of 5 starsmboy, 10/23/2006
2007 INFINITI M45 Sport 4dr Sedan (4.5L 8cyl 5A)
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.
2007 M45 Features & Specs
Base
| Base MSRP Excludes Destination Fee | $49,100 |
|---|---|
| Engine Type | Gas |
| Combined MPG | 18 MPG |
| Cost to Drive | $283/month |
| Seating | 5 seats |
| Cargo Capacity All Seats In Place | 14.9 cu.ft. |
| Drivetrain | rear wheel drive |
| Warranty | 4 years / 60,000 miles |
Safety
Key safety features on the M45 include:
- Alarm
- Tire Pressure Warning
- Stability Control
- Pre-collision safety system
IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
- Small Overlap Front Driver-Side TestNot Tested
- Small Overlap Front Passenger-Side TestNot Tested
- Moderate Overlap Front Test – OriginalGood
- Moderate Overlap Front Test – UpdatedNot Tested
- Side Impact Test – OriginalGood
- Side Impact Test – UpdatedNot Tested
- Roof Strength TestNot Tested
- Rear Crash Protection / Head RestraintNot Tested
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