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Brands/Infiniti/FX
Infiniti FX

Photo: Wikimedia Commons (CC)

Infiniti

Infiniti FX

Crossover · Gas · 14 versions · owner report

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Every generation

Should I buy a 2008–2013 FX?
Should I buy a 2003–2008 FX?
390Hp

Power

5.8s

0–62 mph (0–100 km/h)

155mph

Top speed (250 km/h)

What owners say

Our take, from owner reports

Owner sentiment is strongly positive, characterized by deep affection for the vehicle's unique combination of sporty driving dynamics, distinctive styling, and proven powertrain reliability.

8 problems reported (3 very frequent, 5 recurrent) · high confidence

Problems owners report

  • Very frequentElectrical Gremlins & Parasitic Draw

    Intermittent no-start conditions, random battery drain, malfunctioning gauges/climate control, sporadic alarm activation, and faulty door lock actuators.

  • Very frequentDashboard Bubbling/Melting

    Soft-touch dashboard material degrades, bubbles, and cracks, primarily on earlier models (e.g., 2006). Was subject to an extended warranty program now expired.

  • Very frequentOil Consumption & Leaks

    Engine burns oil and/or develops leaks from valve cover gaskets and less commonly the oil pan. Noted as a common issue on higher-mileage examples.

+ 5 more issuesShow fewer
  • RecurrentRear Differential Bushing Failure

    Worn bushing causes driveline vibrations and noise. Replacement is described as a labor-intensive repair.

  • RecurrentTransmission Slipping/Jerking

    Reports of transmission hesitation, slippage ("revs go up but car barely gets faster"), and jerking during acceleration, potentially related to valve body or internal wear.

  • RecurrentOverheating in Specific Conditions

    Overheats primarily in hot weather, in traffic, with the A/C on, suggesting potential cooling fan or radiator efficiency issues.

  • RecurrentSteering/Suspension Wear

    Tie rod ends, lower control arms, struts, and shocks wear out, contributing to a less precise feel and noise.

  • RecurrentParts Availability & Cost

    Many parts are unique to the FX and becoming difficult or expensive to source, especially for V8 models and discontinued components.

The version owners recommend

Insufficient owner data available to declare a definitive "best" trim or year. Feedback is split between appreciation for the V8 power of the FX45/FX50 and the more common and potentially more reliable V6 in the FX35/FX37. The "S" models with sport-tuned suspensions are noted for their sharper handling but also a stiffer, less comfortable ride. No specific model year is singled out as superior, though there is a noted engine revision (oil gallery gasket fix) for VQ engines around 2011.

Competitors to consider

Owners compare it most often with the Porsche Cayenne, BMW X3, BMW X5, Lexus RX and Acura RDX.

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Full owner reportHide full owner report

Overall sentiment

Owner sentiment is strongly positive, characterized by deep affection for the vehicle's unique combination of sporty driving dynamics, distinctive styling, and proven powertrain reliability. The FX is consistently described as a "ground-breaking" and "ahead of its time" SUV that prioritized sporty handling and performance over traditional off-road capability. Owners report high satisfaction with the VQ-series V6 (FX35/FX37) and VK-series V8 (FX45/FX50) engines for their power and longevity, with many vehicles reaching over 200,000 miles (322,000 km) with proper maintenance. The driving experience is frequently praised as engaging and car-like, with one owner stating it was the "best car I ever owned." However, this enthusiasm is tempered by recurrent reports of age-related electrical gremlins, specific mechanical wear items, and concerns about parts availability and cost for repairs as the models age. The consensus positions the FX as a beloved, driver-focused SUV that requires a committed and knowledgeable owner willing to address its known flaws.

Positioning vs competitors

Positioned as a sportier, more driver-focused alternative to mainstream luxury SUVs like the Lexus RX and Acura RDX, with handling and styling prioritized over maximum interior space and comfort. Frequently compared to the Porsche Cayenne for its similar sporty ethos and roofline, though at a significantly lower price point, especially when purchased used. Considered superior in driving dynamics to many contemporaries but acknowledged to have less rear-seat and cargo space. The V8 models (FX45/FX50) were noted for being among the fastest SUVs in their era. In later years, it is seen as a compelling used value for enthusiasts seeking a unique, RWD-based SUV with Japanese reliability, versus more complex and expensive German alternatives.

Recommended configurations

All-wheel drive (AWD) is recommended for improved traction and resale value, especially for owners in climates with snow. A dedicated set of winter tires on smaller wheels (e.g., 18-inch) is strongly advised for significant winter weather improvement over all-season tires. Using high-quality synthetic oil (e.g., Mobil 1 0W-40 for V8 models) and adhering to regular fluid change intervals (engine oil, differential, transmission) is emphasized. For those concerned about the known dashboard bubbling issue on earlier models, using a sunshade and possibly windshield tint is suggested, though efficacy is not confirmed.

General recommendations

Highly recommended for driving enthusiasts seeking a unique, sporty, and engaging SUV with generally robust mechanicals. Suitable for owners who are comfortable with DIY maintenance or have a trusted independent mechanic, as dealer repairs can be expensive. A thorough pre-purchase inspection is critical, with specific attention to: checking for dashboard bubbling/cracking, testing all electronic functions (gauges, climate control, door locks), inspecting for oil leaks (valve cover gaskets, oil pan), checking the condition of the rear differential bushing, and verifying no history of the oil gallery gasket issue (primarily 2008-2010 VQ35HR/37HR engines). Avoid vehicles with significant rust. Budget for immediate replacement of wear items like struts, shocks, and control arms on higher-mileage examples. Purchase price should factor in potential repair costs.

Remarks

The owner feedback spans the entire first generation (2003-2008) and second generation (2009-2013, rebadged as QX70 in later years) FX models, with issues like dashboard degradation and electrical problems appearing across generations. The powertrains (VQ35DE/HR, VQ37VHR, VK45DE, VK50VE) are generally viewed as reliable long-term, with high-mileage longevity achievable through consistent maintenance. The most significant owner frustrations stem from persistent, difficult-to-diagnose electrical issues and the high cost/rarity of certain replacement parts, which contrasts with the praised mechanical robustness. The vehicle's cult status is built on its uncompromising, sport-sedan-derived driving character, which remains unique in the SUV landscape. Analysis based on approximately 35 substantive owner discussions.

Generation by generation

Owner insights per generation and US complaint/recall records (NHTSA).

Complaints and recalls by model yearWorst year: 2003. Years to avoid: 2005, 2004, 2003Source: NHTSA (US)Show table

Each year graded against the model's other years: Year Score. See all Infiniti FX years to avoid

YearComplaintsRecallsMost-reported area
201360air bags
2012140engine
2011161unknown or other
2010170electrical system
2009230unknown or other
2008380air bags
2007410air bags
2006440air bags
20051050air bags
20041410latches/locks/linkages
20038810air bags

Complaint counts come from owner reports filed with the US National Highway Traffic Safety Administration. Higher-selling years naturally accumulate more complaints.

Recall notices11 on record · Source: NHTSA (US)Show recalls

2011 · engine and engine coolingcampaign 11V592000

NISSAN IS RECALLING CERTAIN MODEL YEAR 2011 INFINITI FX, MODEL YEAR 2012 INFINITI M, MODEL YEAR 2011-2012 NISSAN FRONTIER, MODEL YEAR 2011-2012 NISSAN XTERRA, MODEL YEAR 2011-2012 NISSAN PATHFINDER, AND MODEL YEAR 2012 NISSAN NV VEHICLES. SOME OF THE BOLTS THAT CONNECT THE ENGINE OIL COOLER AND THE ENGINE OIL FILTER TO THE ENGINE IN THESE VEHICLES MAY HAVE BEEN MANUFACTURED TO BELOW SPECIFICATION STRENGTH. AS A RESULT, THE BOLT MAY BREAK AT THE OIL FILTER ATTACHMENT POINT AND CAN CAUSE AN ENGINE OIL LEAK.

2003 · air bags:frontal:passenger side:inflator modulecampaign 20V008000

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.

2003 · air bags:frontal:passenger side:inflator modulecampaign 16V349000

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.

2003 · air bagscampaign 15V287000

Nissan North America, Inc. (Nissan) is recalling certain model year 2001-2003 Nissan Maxima, 2002-2004 Pathfinder, 2002-2006 Sentra, 2002-2003 Infiniti QX4 and I35, 2003 FX35 and FX45, and 2001 I30 vehicles. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

2003 · air bagscampaign 15V226000

Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2004 Infiniti I35, 2003-2005 FX35 and FX45, and 2006 M35 and M45 vehicles originally sold, or currently registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Florida, Hawaii, Puerto Rico, the U.S. Virgin Islands, Saipan, Guam, and American Samoa, as well as Alabama, Mississippi, Louisiana, Texas, and Georgia, are included. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

2003 · exterior lightingcampaign 06V244000

DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAILED TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' A REAR COMBINATION LAMP ASSEMBLY DID NOT MEET THE REQUIREMENTS.

2003 · fuel system, gasolinecampaign 05V555000

ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FUEL FILLER HOSE MAY CRACK AND RESULT IN FUEL LEAKAGE FROM THE HOSE WHILE REFUELING.

2003 · exterior lighting:headlightscampaign 06V328000

DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' THE HEADLAMP ASSEMBLIES DO NOT MEET THE HEADLAMP PHOTOMETRIC VALUES REQUIREMENTS OF THE STANDARD.

2003 · service brakes, hydraulic:foundation components:disc:calipercampaign 03V476000

ON CERTAIN SPORT UTILITY VEHICLES, THE FRONT BRAKE CALIPER MOUNTING BOLTS MAY NOT BE ADEQUATELY TIGHTENED. THIS COULD RESULT IN ONE OR BOTH OF THE CALIPER MOUNTING BOLTS LOOSENING.

2003 · power train:automatic transmissioncampaign 03V164000

ON CERTAIN SPORT UTILITY VEHICLES, THE BOLTS WHICH ATTACH THE PROPELLER SHAFT(S) TO THE TRANSAXLE AND DIFFERENTIAL(S) MAY NOT HAVE BEEN ADEQUATELY TIGHTENED.

2003 · air bags:frontalcampaign 21V139000

Nissan North America, Inc. (INFINITI) is recalling certain 2003 INFINITI FX35, 2006-2008 FX35 and FX45 vehicles that previously received a replacement front passenger air bag assembly under recall number 20V-008. The air bag cushion was folded incorrectly, which could increase internal pressure and tear the air bag cushion during deployment.

Specifications

50 V8 ATTESA E-TS

5.0L 8-cylinder · 390 hp · AWD · automatic

Built 2011–2013

Power390 Hp
Torque369 lb-ft (500 Nm)
0–62 mph (0–100 km/h)5.8 sec
Top speed155 mph (250 km/h)
DriveAll wheel drive (4x4)
Transmission7 gears, automatic transmission
Engine5 L
AspirationNaturally aspirated engine
Cylinders8
Seats5 seats
Fuel typeGas
Body typeCrossover

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Quick facts

Brand
Infiniti
Versions catalogued
14
Body types
Crossover
Owner report
Available

Compare with

  • FX vs Cadillac SRX
  • FX vs Porsche Cayenne

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