Reliability
Infiniti

Q70 (2002)

2002 · Midsize Sedan · 1 engine
72 NHTSA Complaints
6 Recalls
2 Fire Reports
11 Crash Reports
Data covers 2 NHTSA model names
I30I35
View all 7 generations of the Infiniti Q70 → Inspection checklist

Reliability Score

7.7 / 10

Reliability score

Fewer owner complaints than similar midsize sedans

The class average is 7.0. Based on complaints owners filed with NHTSA about the engine, transmission or drivetrain.

Owners filed 25 powertrain complaints. A typical midsize sedan fleet of this size and age would have drawn about 32.

Scores this high have held: three years on they had moved 0.2 points in the typical case.

Breakdown
Complaints overall25 complaints against about 32 for similar vehicles
7.7
Last three years
n/aNot enough data
Engine, transmission or drive unit failed or replaced
n/aNot enough data
Oil consumption, fuel in the oil or overheating
n/aNot enough data

Each line scores one view of the same complaints the same way, so the lines overlap. The mark on each bar is the class average. A line needs 20 expected complaints to show a number.

Similar vehicles are others in the same class, compared at the same age and in the same years. The score counts complaints owners filed with NHTSA, per vehicle built, which is different from the share of vehicles that fail. How the score is worked out

On the record

No serious powertrain recall covering 5% or more of this generation and no escalated investigation in NHTSA's files. Warranty extensions and settlements have not been researched.

Complaints by Engine Code

Show 1 additional engine variant with limited data
These engines appear in fewer than 10 owner complaints. A low count can mean a clean record, and it can also be a VIN-decode anomaly in NHTSA's data.

Infiniti Q70 Unidentified Engine

6 complaints 6.0 per year
View details

Complaint Breakdown

engine
2
cooling
2
other
2
electrical
1
brakes
1

Owner Complaints by System

Complaints owners filed with NHTSA about the Infiniti Q70, counted across every engine. A complaint can name more than one system.

Engine: 23 owner complaints
Cooling System: 13 owner complaints
Safety Systems: 12 owner complaints
Suspension: 11 owner complaints
Electrical System: 5 owner complaints

What to check on a used 2002 Infiniti Q70

On a used 2002 Infiniti Q70, the systems with the most NHTSA owner complaints are the engine (23), the cooling system (13) and the airbags and driver-assist systems (12). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.

  1. Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 23 owner complaints on the 2002 Infiniti Q70 about the engine.
  2. With the engine cold, check the coolant level and color, then watch the temperature gauge on the drive.Costly repair. NHTSA has 13 owner complaints on the 2002 Infiniti Q70 about the cooling system.
  3. Switch the ignition on and watch the airbag light. On the drive, check the backup camera and any collision or lane warning.Safety. NHTSA has 12 owner complaints on the 2002 Infiniti Q70 about the airbags and driver-assist systems.
  4. Drive over a speed bump and a rough patch at 15 to 20 mph with the radio off.Safety. NHTSA has 11 owner complaints on the 2002 Infiniti Q70 about the suspension.
  5. Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 5 owner complaints on the 2002 Infiniti Q70 about the electrical system.
Open the full inspection checklist for the 2002 Infiniti Q70

Recalls (6)

20V008000Jan 9, 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.

15V287000May 15, 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.

06E023000Mar 13, 2006serious
Exterior Lighting

CERTAIN ANZO COMBINATION HEADLAMP ASSEMBLIES SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES. SOME COMBINATION LAMPS ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS WHICH FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."

03V455000Nov 17, 2003serious
Engine & Cooling

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.

02V146000May 30, 2002serious
Suspension

ON CERTAIN PASSENGER VEHICLES, THE PIN AT THE END OF THE FRONT SUSPENSION TRANSVERSE LINK (LOWER CONTROL ARM) COULD BREAK WHERE IT IS MOUNTED TO THE FRAME.

Show 1 older recall
02V043000Feb 12, 2002serious
Vehicle Speed Control

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH AN ELECTRONIC THROTTLE CONTROL SYSTEM, THE STOPPER FOR THE ACCELERATOR PEDAL WILL PREVENT EXCESSIVE MOVEMENT OF THE ACCELERATOR POSITION SENSOR. IF THE DRIVER APPLIES OVERLY EXCESSIVE FORCE TO THE ACCELERATOR PEDAL WHILE AT THE SAME TIME PUSHING IT TO THE RIGHT, THE PEDAL CAN "OVER TRAVEL" DUE TO THE DESIGN OF THE PEDAL STOPPER.

Alternatives in Midsize Sedan

Frequently Asked Questions

What are the most common 2002-2002 Infiniti Q70 complaints?

Owners have filed 72 complaints with NHTSA about the 2002-2002 Infiniti Q70. The systems they name most often are the engine, the cooling system and the safety systems.

Is the 2002-2002 Infiniti Q70 a good used car?

That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 72 complaints with NHTSA about the 2002-2002 Infiniti Q70. Check which systems they name most often and whether a recall is still open on that car.

How many NHTSA complaints does the 2002-2002 Infiniti Q70 have?

NHTSA has 72 owner complaints on file for the 2002-2002 Infiniti Q70 as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.

What recalls affect the 2002-2002 Infiniti Q70?

NHTSA lists 6 recalls covering some 2002-2002 Infiniti Q70 vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.

What should I check before buying a used Infiniti Q70?

Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the engine, the cooling system and the safety systems, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.

Does the Q70 have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2002 Infiniti Q70. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 72 complaints analyzed. Data confidence: moderate. Last updated: 2026-10-12.

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