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#BS-2003-INFQX4-7CE2

2003 Infiniti Qx4

Based on reports from 25 owners and 4 recalls for this exact model.

Complaints
25
Crashes
2
Fires
0
Recalls
4
TSBs
70

Preliminary Verdict

Green Light

Based on 25 complaints, 2 crashes, 0 fires, and 4 recalls.

Top reported problems

1

excessive oil consumption

2 complaints • Severity 6/10

$X,XXX
2

severe corrosion of running boards

1 complaints • Severity 10/10

$X,XXX
3

head gasket failed

1 complaints • Severity 8/10

$X,XXX

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Mechanic Inspection Checklist

!Check the Suspension:front:macpherson StrutHIGH

3 owners reported suspension:front:macpherson strut issues — failures commonly reported around 123K miles.

!Inspect the SuspensionMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

2
0–30K
30–60K
2
60–90K
4
90–120K
4
120–150K
6
150K+

Peak failure range: 150K+ miles (6 reports) • Median: 123K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Suspension:front:macpherson Strut (3 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Suspension:front:macpherson Strut3 (12%)
Suspension3 (12%)
Suspension:front3 (12%)
Structure:body3 (12%)
Brakes2 (8%)
Structure2 (8%)
Steering2 (8%)
Power Train:axle Assembly1 (4%)

2003 Infiniti Qx4: Known Issues & Problem Areas

Suspension:front:macpherson Strut Issues

Suspension:front:macpherson Strut complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. The median mileage at time of complaint is 123,000 miles, suggesting issues tend to surface around the 123K-mile mark.

Suspension Issues

Suspension complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.

Suspension:front Issues

Suspension:front complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to suspension:front-related symptoms during test drives and pre-purchase inspections.

Structure:body Issues

Structure:body complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to structure:body-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

1
03
1
04
4
09
2
10
3
11
3
12
2
14
1
16
1
17
6
18
1
19

Complaints filed with NHTSA by year for the 2003 Infiniti Qx4. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (4 recalls)

11V244000Aug 2011

SUSPENSION:FRONT

NISSAN IS RECALLING CERTAIN MODEL YEAR 1996-2004 PATHFINDER AND MODEL YEAR 1997-2003 INFINITI QX4 VEHICLES ORIGINALLY SOLD, OR CURRENTLY REGISTERED IN, CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. IN AREAS OF THE COUNTRY IN WHICH HEAVY CONCENTRATIONS OF ROAD SALT ARE USED, A MIXTURE OF SNOW/WATER AND SALT MAY ENTER AN ASSEMBLY LOCATION HOLE IN THE UPPER STRUT HOUSING, CAUSING WATER TO COLLECT AT THE MATING SURFACE OF THE STRUT HOUSING PANEL AND THE INNER HOOD LEDGE ASSEMBLY. OVER TIME, THIS SNOW/WATER AND SALT INTRUSION MAY RESULT IN CORROSION OF THE STRUT TOWER HOUSING IN SOME SUBJECT VEHICLES.

15V287000Jun 2015

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.

20V008000Feb 2020

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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.

22E066000Sep 2022

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Infiniti Qx4 is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

2003 Infiniti Qx4 vs. Class Average (Sport Utility Vehicle - 2WD)

This vehicle

25

Class avg

343

Below the class average — fewer complaints than typical sport utility vehicle - 2wd vehicles. A good sign.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 25 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

2003 Infiniti Qx4: Frequently Asked Questions

What is the most common problem with the 2003 Infiniti Qx4?
The most commonly reported issue with the 2003 Infiniti Qx4 is related to the suspension:front:macpherson strut, with 3 complaints filed with NHTSA.
Is the 2003 Infiniti Qx4 reliable?
The 2003 Infiniti Qx4 has 25 complaints, 2 crash reports, and 0 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.
How much does it cost to fix 2003 Infiniti Qx4 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2003 Infiniti Qx4 have any recalls?
Yes, the 2003 Infiniti Qx4 has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Infiniti Qx4 problems start?
Based on 18 complaints with mileage data, the median mileage at time of complaint is 123,000 miles. The highest concentration of reported issues occurs in the 150K+ mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
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