Infiniti

QX70 (S50)

2003-2008 · Midsize SUV · 1 engine
Best Engine ⚠️ Caution (2.0)
454 NHTSA Complaints
10 Recalls
3 Fire Reports
14 Crash Reports
Includes data from: FXFX35FX35/45FX45
View all 2 generations of the Infiniti QX70 → 📋 Inspection checklist

Engine Reliability Ratings

Infiniti QX70 Unidentified Engine

⚠️ Caution (2.0)
453 complaints 75.5 per year
3 fire reports 1 fatality
View details

Complaint Breakdown

body
123
safety systems
121
electrical
62
other
57
fuel system
37

Known Issues

Body/Trim Issues (123 complaints)
Safety Systems Issues (121 complaints)
Electrical System Issues (62 complaints)
Show 1 additional engine variant with limited data
These engines appear in fewer than 10 owner complaints and aren't included in the main ratings above. Low counts can mean a genuinely clean record, but they can also reflect VIN-decode anomalies in NHTSA data. Treat as informational, not as a confident rating.

Vehicle-Level Issues

These issues affect the Infiniti QX70 regardless of engine variant.

Body/Trim Issues (123 complaints)
body serious
Safety Systems Issues (121 complaints)
safety_systems serious
Electrical System Issues (62 complaints)
electrical serious
Fuel System Issues (37 complaints)
fuel_system serious
Interior Issues (30 complaints)
interior serious

Recalls (10)

21V139000Apr 2, 2021serious
Air Bags

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.

20V008000Aug 31, 2020critical
Air Bags

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.

16V349000May 23, 2016critical
Air Bags

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.

15V226000Apr 16, 2015critical
Air Bags

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.

15V287000May 14, 2015critical
Air Bags

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.

06V328000Aug 30, 2006critical
Exterior Lighting

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.

06V244000Nov 6, 2006critical
Exterior Lighting

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.

05V555000Dec 12, 2005serious
Fuel System

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

03V476000Nov 13, 2003serious
Service Brakes

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.

03V164000May 4, 2003serious
Powertrain

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.

Alternatives in Midsize SUV

Frequently Asked Questions

What are the most common 2003-2008 Infiniti QX70 problems?

The 2003-2008 Infiniti QX70 has accumulated 454 NHTSA complaints. The most frequently reported problem areas are Body/Trim, Safety Systems, Electrical System. As with any used vehicle, an inspection before buying and a vehicle history report are recommended.

Which Infiniti QX70 engine is most reliable?

The 2003-2008 Infiniti QX70 was offered with 2 engine options. Based on NHTSA complaint data, the 3.5L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

Is the 2003-2008 Infiniti QX70 a good used car?

The 2003-2008 Infiniti QX70 can be a sound used car depending on trim, mileage, and maintenance history. With 454 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

How many NHTSA complaints does the 2003-2008 Infiniti QX70 have?

The 2003-2008 Infiniti QX70 has 454 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

What recalls affect the 2003-2008 Infiniti QX70?

There are 10 NHTSA recalls affecting some 2003-2008 Infiniti QX70 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

What should I check before buying a used Infiniti QX70?

Before buying a used Infiniti QX70, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Body/Trim, Safety Systems, Electrical System, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

Does the QX70 have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2003-2008 Infiniti QX70. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 454 complaints analyzed. Data confidence: high. Last updated: 2026-05-23.

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