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#BS-2003-INFI35-6965

2003 Infiniti I35

Based on reports from 134 owners and 5 recalls for this exact model.

Complaints
134
Crashes
2
Fires
0
Recalls
5
TSBs
63

Preliminary Verdict

Green Light

Based on 134 complaints, 2 crashes, 0 fires, and 5 recalls.

Top reported problems

1

excessive oil consumption

1 complaints • Severity 8/10

$X,XXX

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Mechanic Inspection Checklist

!Check the EngineHIGH

67 owners reported engine issues — failures commonly reported around 115K miles.

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

Failure Timeline by Mileage

6
0–30K
11
30–60K
24
60–90K
23
90–120K
22
120–150K
35
150K+

Peak failure range: 150K+ miles (35 reports) • Median: 115K 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: Engine (67 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

Engine67 (50%)
Electrical13 (10%)
Speed Control9 (7%)
Airbags8 (6%)
Stability Control8 (6%)
Other5 (4%)
Drivetrain5 (4%)
Engine And Engine Cooling:engine4 (3%)

2003 Infiniti I35: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 50% of all reports filed for the 2003 Infiniti I35, with 67 owners filing complaints with NHTSA. The median mileage at time of complaint is 115,000 miles, suggesting issues tend to surface around the 115K-mile mark.

Electrical Issues

Electrical complaints account for 10% of all reports filed for the 2003 Infiniti I35, with 13 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Speed Control Issues

Speed Control complaints account for 7% of all reports filed for the 2003 Infiniti I35, with 9 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Airbags Issues

Airbags complaints account for 6% of all reports filed for the 2003 Infiniti I35, with 8 owners filing complaints with NHTSA. Owners should pay attention to airbags-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
04
1
05
2
06
2
07
1
08
2
09
14
10
8
11
6
12
9
13
23
14
18
15
9
16
12
17
5
18
10
19
5
20
6
21

Complaints filed with NHTSA by year for the 2003 Infiniti I35. Recent trend: stable.

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 (5 recalls)

03V455000Dec 2003

ENGINE AND 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.

15V226000Jun 2015

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.

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.

16V349000Dec 2016

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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.

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.

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 I35 is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

2003 Infiniti I35 vs. Class Average (Midsize Cars)

This vehicle

134

Class avg

250

Below the class average — fewer complaints than typical midsize cars 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. 134 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 5 recalls found for this vehicle.

Repair Cost Data

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

2003 Infiniti I35: Frequently Asked Questions

What is the most common problem with the 2003 Infiniti I35?
The most commonly reported issue with the 2003 Infiniti I35 is related to the engine, with 67 complaints filed with NHTSA.
Is the 2003 Infiniti I35 reliable?
The 2003 Infiniti I35 has 134 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 I35 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 I35 have any recalls?
Yes, the 2003 Infiniti I35 has 5 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Infiniti I35 problems start?
Based on 121 complaints with mileage data, the median mileage at time of complaint is 115,000 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?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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