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2007 Infiniti M Full Review
Date Published: 4/15/08
Also in the 2007 Infiniti M Review:
2007 Infiniti M Review
These V6 and V8 sedans are the larger and costlier of Infiniti's two premium midsize cars. M35 has a 275-hp V6 and comes in base and Sport models with rear-wheel drive, and as the M35x with all-wheel drive. M45 has a 325-hp V8 and also offers base and Sport models but comes with rear-drive only. All Ms have a 5-speed automatic transmission, ABS, traction/antiskid control, front side airbags, and curtain side airbags. Exclusive to Sports is Infiniti's Four-Wheel Active Steer system, designed to aid handling by automatically steering the rear wheels slightly. Leather upholstery, sunroof, power tilt/telescope steering wheel, and keyless entry/ignition are standard. Sports get aluminum cabin trim, base models wood. Also included are a wireless cell phone link and voice control for some audio and climate functions. Heated/cooled front seats are optional on the base M35, standard otherwise Options on all include audible warning of unintended lane departure, a heated power-reclining rear seat, and navigation system. Also available are DVD entertainment and a rearview camera. Steering-linked xenon headlamps are standard on M45s and M35 Sport.
Competition
Consumer Guide® Automotive places each vehicle into one of 18 classes based on size, price, and market position. Premium Midsize Cars sport interior dimensions similar to Midsize Cars. Premium Midsize Cars offer more luxury, performance, and prestige when compared to Midsize Cars. This segment is one of the industry's fastest-growing categories.
Our Best Buys include the Acura TL, Infiniti M, and Lexus ES 350. Our Recommended picks are the Cadillac CTS, Infiniti G35, and Mercedes-Benz E-Class.
New or significantly redesigned models include the Lexus GS 450h, Lincoln MKZ, and Mercedes-Benz E-Class.
Our Best Buys include the Acura TL, Infiniti M, and Lexus ES 350. Our Recommended picks are the Cadillac CTS, Infiniti G35, and Mercedes-Benz E-Class.
New or significantly redesigned models include the Lexus GS 450h, Lincoln MKZ, and Mercedes-Benz E-Class.
News
Infiniti's midrange sedans reportedly get a freshening for model-year 2010, but it's likely to be no more than a thorough revamping, not a clean-sheet redesign. No word on interim changes, but don't look for anything major.
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2007 Infiniti M Road Test
| Pros | Cons |
| Acceleration | Fuel economy (M45) |
| Available all-wheel drive | Control layout |
| Handling/roadholding | |
| Build quality | |
Consumer Guide® Road Test Ratings
Acceleration
Rear-drive M35 scoots nicely, with plentiful around-town zip, highway power. AWD adds 180 lb, but feels little different. M35 so adept that extra thrust of M45 not a compelling draw. That said, M45 is fast by any measure; test example did 6.0 sec 0-60 mph. With either engine, transmission sometimes pauses indecisively on downshifts. Transmission's manual-shift feature quicker than most.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 7 | 7 | 7 | 8 | 7 |
Rear-drive M35 scoots nicely, with plentiful around-town zip, highway power. AWD adds 180 lb, but feels little different. M35 so adept that extra thrust of M45 not a compelling draw. That said, M45 is fast by any measure; test example did 6.0 sec 0-60 mph. With either engine, transmission sometimes pauses indecisively on downshifts. Transmission's manual-shift feature quicker than most.
Fuel Economy
Test M35 averaged 16.4 mpg in city/highway driving, test M35x averaged 17.4 with more highway use. Test M45s averaged 16.0 mpg, 18.8-19.1 in mostly highway use. Infiniti recommends premium-grade fuel for M35, requires it for M45.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 5 | 4 | 5 | 4 | 4.6 |
Test M35 averaged 16.4 mpg in city/highway driving, test M35x averaged 17.4 with more highway use. Test M45s averaged 16.0 mpg, 18.8-19.1 in mostly highway use. Infiniti recommends premium-grade fuel for M35, requires it for M45.
Ride Quality
All Ms firm, composed. Base M35 absorbs bumps best. M35x has tauter suspension settings. Sports have stiffer suspension than base models, plus low-profile tires that can jar over ruts, jiggle on ripples.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 8 | 7 | 7 | 7 | 6.6 |
All Ms firm, composed. Base M35 absorbs bumps best. M35x has tauter suspension settings. Sports have stiffer suspension than base models, plus low-profile tires that can jar over ruts, jiggle on ripples.
Steering/Handling/Braking
Confident, balanced. Minimal cornering lean. Sports have impressive grip in fast changes of direction, though effect of active steer system hard to detect. Steering on all precise, secure on-center, but heavy and slightly unnatural feeling in turns. M35x has rear-drive manners on dry surfaces, with automatic transition to AWD upon wheelslip (50/50 front/rear power split can be locked in via console snow-mode button). Strong brakes on all, easily modulated.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 7 | 8 | 8 | 8 | 7.2 |
Confident, balanced. Minimal cornering lean. Sports have impressive grip in fast changes of direction, though effect of active steer system hard to detect. Steering on all precise, secure on-center, but heavy and slightly unnatural feeling in turns. M35x has rear-drive manners on dry surfaces, with automatic transition to AWD upon wheelslip (50/50 front/rear power split can be locked in via console snow-mode button). Strong brakes on all, easily modulated.
Quietness
Fine suppression of wind rush, engine/exhaust note. M35x, Sport models thump over cracks, bumps. Sports roar, whine on coarse surfaces.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 8 | 7 | 7 | 7 | 6.9 |
Fine suppression of wind rush, engine/exhaust note. M35x, Sport models thump over cracks, bumps. Sports roar, whine on coarse surfaces.
Controls
Bright, clear gauges. Most controls logically arrayed on keyboardlike shelf, but numerous enough to demand study. Some are a reach away, and sunshine neutralizes indicator lights. Closer to driver are traditional audio knobs, buttons. Navigation system exceptionally easy to operate. Voice recognition responds accurately to command keywords. Lane departure beeps a lane-change warning unless turn signal is used; it can be shut off, but seems gimmicky. Trim of satin-finish wood or real metal, precision switchgear, plethora of soft-touch surfaces creates inviting cabin ambience.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 7 | 7 | 7 | 7 | 6.8 |
Bright, clear gauges. Most controls logically arrayed on keyboardlike shelf, but numerous enough to demand study. Some are a reach away, and sunshine neutralizes indicator lights. Closer to driver are traditional audio knobs, buttons. Navigation system exceptionally easy to operate. Voice recognition responds accurately to command keywords. Lane departure beeps a lane-change warning unless turn signal is used; it can be shut off, but seems gimmicky. Trim of satin-finish wood or real metal, precision switchgear, plethora of soft-touch surfaces creates inviting cabin ambience.
Room/Comfort/Driver Seating (front)
Generous room. Supportive seats astutely bolstered. Power tilt/telescope steering wheel helps fine-tune driver position. Thick pillars partially obscure over-the-shoulder visibility.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 8 | 8 | 8 | 8 | 7.4 |
Generous room. Supportive seats astutely bolstered. Power tilt/telescope steering wheel helps fine-tune driver position. Thick pillars partially obscure over-the-shoulder visibility.
Room/Comfort (rear)
Seat firm, nicely contoured, but cushion not long enough for optimal thigh support. Fine knee clearance, but tight toe space with front-seat height lowered. Middle rider straddles tall driveline hump.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 6 | 6 | 6 | 6 | 5.4 |
Seat firm, nicely contoured, but cushion not long enough for optimal thigh support. Fine knee clearance, but tight toe space with front-seat height lowered. Middle rider straddles tall driveline hump.
Cargo Room
Good trunk volume, and lid hinges don't intrude, but short aperture means drawerlike access. Sufficient interior storage.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 4 | 4 | 4 | 4 | 4.2 |
Good trunk volume, and lid hinges don't intrude, but short aperture means drawerlike access. Sufficient interior storage.
Value within Class
This impressive sedan is a credible competitor to such class bellwethers as the BMW 5-Series and Mercedes-Benz E-Class. Generously equipped in standard form, with convincing performance and available all-wheel drive, the Ms are Best Buy alternatives to these and other rivals at each price point on the premium-midsize-car spectrum.
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 10 | 9 | 8 | 8 | 6.1 |
This impressive sedan is a credible competitor to such class bellwethers as the BMW 5-Series and Mercedes-Benz E-Class. Generously equipped in standard form, with convincing performance and available all-wheel drive, the Ms are Best Buy alternatives to these and other rivals at each price point on the premium-midsize-car spectrum.
Total Score
| M35 | AWD M35x w/Tech. Pkg. | M35 Sport | M45 Sport | Class Average |
| 70 | 67 | 67 | 67 | 62.2 |
Scores for all Premium Midsize Cars
| Low Score | 49 | |
| Average Score | 62 | |
| High Score | 75 |
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2007 Infiniti M Prices & Equipment
Model Prices
Prices Updated: 11/14/2006
| Trim Name | Retail Price | Dealer Invoice | Destination Charge |
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| M35 Base 4-door sedan | $41,450 | $38,097 | $650 |
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| AWD M35x Base 4-door sedan | $44,550 | $40,663 | $650 |
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| M45 Base 4-door sedan | $49,100 | $45,109 | $650 |
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| M35 Sport 4-door sedan | $44,250 | $40,663 | $650 |
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| M45 Sport 4-door sedan | $50,550 | $46,438 | $650 |
Pricing Key: Retail prices listed with each report are set by the vehicle's
manufacturer. These figures appear on each car's federally mandated window sticker.
Most price lists also include dealer-invoice prices. Dealer-invoice prices are
what the dealer pays the manufacturer for the car and its factory-installed options.
The destination charge is not included in the suggested-retail or dealer-invoice price
and must be added to the cost of the vehicle. Car companies change prices frequently
throughout the year. If the prices published do not match those on the vehicle's
window sticker, the manufacturer has probably altered the price recently.
NA = price note available, NC = no charge.
Rebates and Incentives
There are no rebates or incentives at this time.
Consumer Guide®'s Rebates and Incentives represent a summary of national
manufacturer programs available. Regional restrictions may apply, and offerings
may vary by model. For a complete list of Rebate & Incentive programs click here.
Standard Equipment
M35/M45 Base
Powertrain
3.5-liter V6 engine (M35), 4.5-liter V8 engine (M45), 5-speed automatic transmission w/manual-shift capability, traction control.
Safety
Dual front airbags, front side airbags, curtain side airbags, front-seat active head restraints, antilock 4-wheel disc brakes, brake assist, antiskid system, tire-pressure monitor, emergency inside trunklid release.
Comfort and Convenience Features
Air conditioning w/dual-zone automatic climate controls, interior air filter, power steering, power tilt/telescope leather-wrapped steering wheel w/radio controls, cruise control, leather upholstery, heated/cooled front seats (M45), 10-way power front bucket seats w/lumbar adjustment, memory system (driver seat, mirrors, steering wheel), center console, cupholders, trunk pass-through, wood interior trim, heated power mirrors w/tilt-down back-up aid and driver-side automatic day/night, power windows, power door locks, remote keyless entry, keyless access and starting, power sunroof, AM/FM radio w/in-dash 6-disc CD/MP3 changer, analog clock, tachometer, voice recognition, wireless cell phone link, variable-intermittent wipers, illuminated visor mirrors, automatic day/night rearview mirror, compass, outside-temperature indicator, universal garage door opener, map lights, rear defogger, automatic headlights, floormats.
Appearance and Miscellaneous
Theft-deterrent system, steering-linked adaptive xenon headlights (M45), fog lights, 245/45VR18 tires, alloy wheels, AWD adds: all-wheel drive, locking center differential, heated/cooled front seats.
M35/M45 Sport adds to M35/M45 Base:
Comfort and Convenience Features
Heated/cooled front seats, aluminum interior trim.
Appearance and Miscellaneous
Deletes: wood interior trim.
Steering-linked adaptive xenon headlights, rear steering, sport suspension, 245/40WR19 tires.
Optional Equipment
Major Packages |
Retail Price |
Invoice Price |
|
Journey Pkg.
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||
|
M35 Base
|
$1,350
|
$1,163
|
|
Heated/cooled front seats, steering-linked adaptive xenon headlights. NA AWD M35x.
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Technology Pkg.
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M35/M45 Base, M35/M45 Sport
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$2,950
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$2,542
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Navigation system, rearview camera, Bose sound system. 2WD M35 Base requires Journey Pkg.
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Advanced Technology Pkg.
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M35/M45 Base, M35/M45 Sport
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$2,500
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$2,155
|
|
Adaptive cruise control, lane-departure-warning system, upgraded Bose sound system, DVD Audio, satellite radio. Requires Technology Pkg. AWD requires steering-linked adaptive xenon headlights, cargo mat.
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Premium Pkg.
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Base
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$8,900
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$7,669
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Technology Pkg., Advanced Technology Pkg. plus rear-seat DVD entertainment system, rear heated and reclining seats, rear-seat climate and radio controls, power rear sunshades. 2WD M35 Base requires Journey Pkg. AWD requires steering-linked adaptive xenon headlights, cargo mat.
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Aerodynamic Body Kit
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M35/M45 Base, M35/M45 Sport
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$1,390
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$1,106
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Includes rear spoiler.
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Comfort and Convenience Features |
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DVD entertainment system
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M35/M45 Base, M35/M45 Sport
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$1,500
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$1,293
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Requires Technology Pkg.
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Satellite radio
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M35/M45 Base, M35/M45 Sport
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$350
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$302
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Requires Technology Pkg.
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Wood interior trim
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Sport
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$600
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$517
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Cargo mat
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M35/M45 Base, M35/M45 Sport
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$80
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$64
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AWD requires Technology Pkg. or Advanced Technology Pkg.
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Appearance and Miscellaneous |
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Steering-linked adaptive xenon headlights
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AWD
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$800
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$689
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Rear spoiler
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M35/M45 Base, M35/M45 Sport
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$290
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$226
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Chrome alloy wheels
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Base
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$1,000
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$862
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Requires Technology Pkg. or Advanced Technology Pkg.
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Unique alloy wheels
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Base
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$990
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$769
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Get a FREE Price Quote:
2007 Infiniti M Specs & Safety
Vehicle Dimensions
| Specification | Infiniti M 4-door sedan |
| Wheelbase, in. | 114.2 |
| Overall Length, in. | 192.6 |
| Overall Width, in. | 70.8 |
| Overall Height, in. | 59.4 |
| Curb Weight, lbs. | 3832 |
| Cargo Volume, cu. ft. | 14.9 |
| Standard Payload, lbs. | -- |
| Fuel Capacity, gals. | 20.0 |
| Seating Capacity | 5 |
| Front Head Room, in. | 39.6 |
| Max. Front Leg Room, in. | 44.2 |
| Rear Head Room, in. | 37.8 |
| Max. Rear Leg Room, in. | 37.3 |
Specifications Key: NA = not available; "--" = measurement does not exist.
Engines
| dohc V6 | dohc V8 | |
| Size, liters/cu. in. | 3.5 /214 | 4.5 /274 |
| Horsepower @ rpm. | 275 @ 6200 | 325 @ 6400 |
| Torque (lb-ft) @ rpm. | 268 @ 4800 | 336 @ 4000 |
| Availability | Standard | Standard |
|
EPA City / highway mpg
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| 5-speed automatic | 18/25 | 17/23 |
Engine Key: l/cu in. = liters/cubic inches; ohv = overhead valve; ohc = overhead camshaft;
dohc = dual overhead camshaft; I = inline cylinders; H = horizonally opposed cylinders;
V = cylinders in a V configuration; W = cylinders in a W configuration; rpm = revolutions
per minute; CVT = continuously variable (automatic) transmission; NA = not available; "--"
= measurement does not exist.
Safety Features
 Antilock Brakes Traction Control Antiskid System |
Front Side Airbags Curtain Side Airbags Rear Side Airbags |
NHTSA Crash-Test Results
| Test | Infiniti M 4-door sedan |
The National Highway Traffic Safety Administration (NHTSA) tests a vehicle's
worthiness in front- and side-impact collisions and rates its resistance to
rollovers. Front-impact crash-test numbers indicate the chance of serious injury:
5 = 10% or less; 4 = 10-20%; 3 = 20-35%; 2 = 35-45%; 1 = More than 45%. Side-impact
crash-test numbers indicate: 5 = 5% or less; 4 = 6-10%; 3 = 11-20%; 2 = 21-25%;
1 = More than 26%. Rollover resistance numbers indicate the chance for rollover
when the vehicle leaves the roadway: 5 = Less than 10%; 4 = 10-20%; 3 = 20-30%;
2 = 30-40%; 1 = More than 40%.
Manufacturer's Warranty
| Class | Years/Miles | Comments |
| Powertrain | 6/70,000 | -- |
| Bumper-to-bumper | 4/60,000 | -- |
| Corrosion | 7/unlimited | -- |
| Free roadside assistance | 4/unlimited | -- |
| Free scheduled maintenance | None/-- | -- |
Manufacturers may periodically offer additional coverage as a purchase incentive.
There offers are not reflected on this chart. The federal government requires two
other warranties. The Exhaust Emission Warranty covers corrosion-related parts for
2 years/24,000 miles, plus 8 years/80,000 miles on the catalytic converter and any
on-board diagnostic device. The Passenger Restraint Warranty covers seat belts
and airbags for 5 years/50,000 miles.
Built in:
Japan
Drivewheels:
all-wheel drive, rear-wheel drive
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Also in the 2007 Infiniti M Review:
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