2003 Infiniti Qx4 Problems
Shopping for a used 2003 Infiniti Qx4? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 22 real NHTSA owner complaints, with Suspension Failures the most reported area.
Before you buy
This 2003 Infiniti Qx4 has 22 NHTSA complaints — top issue: Suspension Failures.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
Free preview · Full report from $12.95.
2003 Infiniti Qx4 Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 2 2003 Infiniti Qx4 trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.
2003 Infiniti Qx4 Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2003 Infiniti Qx4 has 22 owner complaints, 2 crash-related complaints, and 4 recall campaigns on record. The most frequently reported component is Suspension Failures. NHTSA reliability signal: Severe Issues.
- Make
- Infiniti
- Model
- Qx4
- Model year
- 2003
- NHTSA owner complaints
- 22
- Crash-related complaints
- 2
- Safety recall campaigns
- 4
- Top reported component
- Suspension Failures
- Reliability signal
- Severe Issues
- EPA MPG combined
- 16
- EPA MPG city / highway
- 14 / 19
- Fuel type
- Regular Gasoline
- NHTSA rollover rating
- 3/5 stars
- Electronic stability control
- No
Common problems
Most common 2003 Infiniti Qx4 problems
Top owner-reported complaint areas and where they often appear.
Suspension Failures
Structural Problems
Brake System
Complaint patterns center on Suspension Failures, Structural Problems, Brake System. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2003 Infiniti Qx4?
The 2003 Infiniti Qx4 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
Pre-purchase
What to check before buying a used 2003 Infiniti Qx4
Inspection Focus
- Have a mechanic inspect the suspension system thoroughly.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components.
- Check for structural integrity, especially in the frame and body.
Before You Close the Deal
- Have a mechanic inspect the suspension system thoroughly.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components.
- Check for structural integrity, especially in the frame and body.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2003 Infiniti Qx4, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Complaints for the 2003 INFINITI QX4 are concentrated in suspension and structural areas, with a smaller number of brake and hydraulic issues. Crash-related complaints are few, and the overall confidence in the data is low due to the small sample size.
- Suspension failures account for the largest share of complaints.
- Structural problems are the second most reported component.
- Brake system and hydraulic issues each have three complaints.
- Suspension Failures: 8 complaints reported.
- Structural Problems: 6 complaints reported.
- Brake System: 3 complaints reported.
Full breakdown
All 2003 Infiniti Qx4 complaints by category
Every owner-reported complaint category filed with NHTSA for the 2003 Infiniti Qx4. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Suspension Failures | 8 | — | — | — | |
| Structural Problems | 6 | — | — | — | |
| Brake System | 3 | 1 | — | — | |
| Hydraulic | 3 | 1 | — | — | |
| Steering Defects | 2 | 1 | — | — | |
| Airbag Malfunctions | 1 | — | — | — | |
| Engine Problems | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Transmission / Drivetrain | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2003 Infiniti Qx4. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
I KEEP GETTING NOTICES ABOUT THIS AIRBAG RECALL, BUT THIS VEHICLE WAS DONATED TO HUDSON HIGH SCHOOL AND BROKEN DOWN FOR PARTS. THIS VEHICLE HASN'T BEEN ON THE ROAD FOR OVER 3 YEARS. PLEASE TAKE THIS OFF THE RECALL LIST.
BOUGHT A USED CAR FROM A USED CAR DEALER WITH 1 PREVIOUS OWNER. IN 2011 A RECALL WAS SUPPOSEDLY DONE BY INDICATING "INSPECTED!" WHY WASN'T THE PARTS REPLACED?
2003 INFINITI QX4. CONSUMER WRITES IN REGARDS TO VEHICLE FRONT STRUT TOWER SEVERE RUSTS AND CRACKS RECALL ISSUES. *SMD *TR
THIS CONCERN IS INVOLVING THE R1109 RECALL ISSUED BY INFINITI. THE RECALL WAS PERFORMED SIX YEARS AGO, HOWEVER RUST, AND HOLES IN THE METAL ARE NOW VISIBLE. I WAS TOLD THAT BECAUSE THE RECALL WAS ALREADY PERFORMED, THERE WAS NOTHING THEY COULD DO TO ASSIST ME. THIS VEHICLE WILL S…
THE CONTROL ARM IS COMPLETELY RUSTED AWAY AS THE PATHFINDERS THAT THEY RECALLED AND IS DOING EXACTLY AS THEY HAVE DONE...BUT THERE IS NO RECALL ON THE INFINITI I WAS WONDERING WHY THOSE AND NOT THE INFINITI AS WE LIVE IN MASSACHUSETTS AND THE SALT DOES THE SAME ON THIS CAR NOW …
TL* THE CONTACT OWNS A 2003 INFINITI QX4. WHILE DRIVING OVER 45 MPH, THE FRONT END OF THE VEHICLE SHOOK AND VIBRATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DISCOVERED THAT THE ENGINE CRADLE WAS CRACKED DUE TO RUSTING AND CORROSION. THE MANUFACTURER WAS NOTIFIED OF THE …
FUEL FILLER NECK HAS CORRODED CAUSING GAS TO LEAK ON TO TIRE AND BRAKES WHILE FILLING GAS TANK. RECALL OF PREVIOUS MODEL. *JS
RUNNING BOARDS ARE COMPLETELY RUSTED, THEY WILL EITHER FALL OFF WHILE DRIVING AND COULD CAUSE AN ACCIDENT OR AN UNSUSPECTING PERSON COULD BE RELYING ON THEM TO ENTER THE SUV AND HURT THEM SELVES. THE SUV WAS WELL TAKEN CARE OF, 1 OWNER, AND THE FRAME RAILS AND CHASSIS ARE CONSIDE…
2003 INFINITY QX4. ATTORNEY WRITES ON BEHALF OF THE CONSUMER IN REGARDS TO THE FRONT DRIVER'S SIDE STRUT TOWER HOUSING UNIT *TGW THE LAWYER STATED HIS CLIENT'S VEHICLE WAS SEIZED BY INFINITI AND THEY OFFERED TO BUY THE VEHICLE BACK. HIS CLIENT NEVER RECEIVED A RECALL LETTER AND …
PASSENGER SIDE STRUT TOWER COMPLETELY RUSTED OUT, THE DEALERSHIP DEEMED THE VEHICLE UNSAFE TO OPERATE. HOWEVER, THE CURRENT RECALL DOES NOT COVER THE PASSENGER SIDE, ONLY THE DRIVERS SIDE AND IT'S MY RESPONSIBILITY TO COVER THE COST OF THE REPLACEMENT. *KB
TL*THE CONTACT OWNS A 2003 INFINITI QX4. THE CONTACT STATED THE STEERING WHEEL BECAME UNRESPONSIVE WHILE CHANGING LANES. AS A RESULT THE VEHICLE WAS INVOLVED IN A ROLLOVER CRASH. A POLICE REPORT WAS FILED AND ALL FOUR PASSENGERS IN THE VEHICLE SUFFERED MINOR INJURIES. ONE OF THE …
TL*THE CONTACT OWNS A 2003 INFINITI QX4. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A BANGING NOISE COMING FROM THE FRONT STRUT TOWER ON THE DRIVER SIDE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE MECHANIC STATED THAT WHERE THE SUBFRA…
TL*THE CONTACT OWNS A 2003 INFINITI QX4. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A LOUD BANGING NOISE OUTSIDE THE VEHICLE AND SUDDENLY THE VEHICLE BEGAN TO LEAN TOWARDS THE DRIVER'S SIDE. THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD TO INSPECT THE VEHICLE AND THEN…
TL* THE CONTACT OWNS A 2003 INFINITI QX4. THE CONTACT STATED WHILE ATTEMPTING A TURN AT 20 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT EXITED THE VEHICLE AND FOUND THE REAR AXLE WAS EXTENDED THREE FEET FROM THE VEHICLE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER. TH…
THERE IS A PULSING FEEL IN THE BRAKES. HAVE CHECKED ONLINE AND REALIZED THAT IT SEEMS TO BE A COMMON ENOUGH COMPLAINT BY OTHER OWNERS. ON HARD STOPS THE PUSH BACK BY THE PEDAL IS HARD ENOUGH THAT THE BRAKES LOCKUP INTERMITTENTLY. THIS IS DIFFERENT FROM THE PULSING FEEL OF THE ANT…
SEVERE CORROSION ON FACTORY INSTALLED RUNNING BOARDS ON INFINITY QX4 WHICH COULD COLLAPSE CAUSING INJURY. *TR
TL*THE CONTACT OWNS A 2003 INFINITI QX4. THE FRONT PASSENGER AND DRIVER SIDE WINDOWS ROLL DOWN WITHOUT WARNING INTERMITTENTLY. THE FAILURE HAS NOT BEEN DIAGNOSED BY A DEALER. THE FAILURE MILEAGE WAS 65,000 AND THE CURRENT MILEAGE WAS 71,000. UPDATED 09/23/09. *LJ UPDATED 09/23…
WHILE DRIVING MY 2003 INFINITI QX4 ON THE HIGHWAY, I NOTICED A SEVERE VIBRATION COMING FROM THE LEFT SIDE OF MY VEHICLE AND TIRE. I TOOK IT TO A LOCAL SERVICE REPAIR SHOP AND THEY TOOK OFF MY LEFT FRONT TIRE AND SAW WHERE MY INNER APRON WAS SEVERELY CORRODED, CRACKED AND PERFORA…
THERE WAS A SEVERE PULSATION IN THE REAR OF THE VEHICLE WHEN THE BRAKE WERE APPLIED. THE DEALERSHIP SERVICED THE VEHICLE OVER 20 TIMES. *JB
WHILE DRIVING FUEL LINE DISCONNECTED FROM THE FUEL TANK . THIS CAUSED THE VEHICLE TO STALL. CONSUMER MANAGED TO PULL OVER, AND HAD VEHICLE TOWED. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK
Source: NHTSA Complaints Database. Real owner reports for the 2003 Infiniti Qx4.
Safety recalls
2003 Infiniti Qx4 recalls
4 campaignsNHTSA recall campaigns for the 2003 Infiniti Qx4. 4 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
AIR BAGS
STEERING:COLUMN
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2003 Infiniti Qx4 buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2003 Infiniti Qx4 reliable?▾
Severe Issues. NHTSA currently shows 22 owner complaints, 2 crash-related complaints, and 4 recall campaigns for this model year. The 2003 Infiniti Qx4 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2003 Infiniti Qx4?▾
#1: Suspension Failures (8 complaints). #2: Structural Problems (6 complaints). #3: Brake System (3 complaints)
At what mileage do problems start on the 2003 Infiniti Qx4?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2003 Infiniti Qx4?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2003 Infiniti Qx4, NHTSA complaints include 2 crash-related reports and 0 fire reports out of 22 total complaints. 4 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2003 Infiniti Qx4 have any recalls?▾
Yes. 4 NHTSA recall campaigns affect the 2003 Infiniti Qx4. A major recall area is AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE. 4 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2003 Infiniti Qx4?▾
The 2003 Infiniti Qx4 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Suspension Failures during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Infiniti Qx4 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2003 Infiniti Qx4 based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.