2011 Infiniti QX problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
1 distinct recall campaigns
365 mi median reported failure mileage
Scope: 2011 model year. Data updated: . 1 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Vehicle Speed Control is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 100.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Vehicle Speed Control | 1 |
Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 1 |
2018: 1
Pattern summary
Vehicle Speed Control leads the component reports. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11155813 · 2018-12-03 (December 3, 2018)
MY WIFE IS COMPLAINING ABOUT THE VEHICLE SUDDENLY INCREASING IN SPEED OUT OF NOWHERE SHE HITS THE BRAKES AND IT CONTINUES TO INCREASE IN SPEED BOATS ON THE HIGHWAY AND ON CITY STREETS. THE BRAKES DO NOT WORK AS THE SPEED INCREASES ON THE SPEED PETAL SHE HAS TWO PUMP IT SEVERAL TIMES AFTER SEVERAL MINUTES BEFORE IT SLOWS DOWN. MY KIDS WERE IN THE CAR WITH HER WHEN THIS HAPPENED THEY HAD THEIR SEATBELTS ON AND THEY WERE THROWN FORWARD VERY VIOLENTLY AS THE BRAKES HAD TO BE APPLIED VERY VERY HARD TO GET IT TO SLOW DOWN.
Owner-reported narrative. 365 miles reported. Look up ODI 11155813 at NHTSA ↗
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
1 unique complaints in this selection. Analysis snapshot: 2026-10-01.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2011 | 2012 |
|---|---|---|
| Service Brakes | 00.0%No examples available for this selection. | 150.0%ODI 10726174 · 40,800 miWHEN WAITING AT A STOPLIGHT FOR A LONG PERIOD THE BRAKE PEDAL GRADUALLY EASES DOWN AND THE VEHICLE BEGINS TO ROLL FORWARD TO PREVENT THE VEHICLE FROM GOING FORWARD EXTRA PRESSURE NEEDS TO BE APPLIED TO THE PEDAL TO KEEP THE VEHICLE STOPPED AT THIS TIME THE PEDAL IS ALMOST AT THE FLOOR. ALONG WITH THIS THE TRANSMISSION STARTED MAKING A VERY LOUD BANG WHEN SHIFTING GEARS. MY CAR IS UNDER WARRANTY AND I TOOK IT TO THE DEALER THREE TIMES AND THEY TOLD ME NO OTHER MODEL HAS THIS PROBLEM THIS IS NORMAL . |
| Unknown Or Other | 00.0%No examples available for this selection. | 150.0%ODI 11100076 · 154,000 miI OWN A 2012 QX 53. AT 70,000 MILES I HAD TO REPLACE THE CATALYTIC CONVERTERS, COST OVER $4000. I NOW HAVE 154,000 MILES AND HAVE BEEN TOLD THAT THE CATALYTIC CONVERTERS NEED TO BE REPLACED AGAIN. THIS SEEMS TO BE A COMMON PROBLEM WITH THIS VEHICLE. |
| Vehicle Speed Control | 1100.0%ODI 11155813 · 365 miMY WIFE IS COMPLAINING ABOUT THE VEHICLE SUDDENLY INCREASING IN SPEED OUT OF NOWHERE SHE HITS THE BRAKES AND IT CONTINUES TO INCREASE IN SPEED BOATS ON THE HIGHWAY AND ON CITY STREETS. THE BRAKES DO NOT WORK AS THE SPEED INCREASES ON THE SPEED PETAL SHE HAS TWO PUMP IT SEVERAL TIMES AFTER SEVERAL MINUTES BEFORE IT SLOWS DOWN. MY KIDS WERE IN THE CAR WITH HER WHEN THIS HAPPENED THEY HAD THEIR SEATBELTS ON AND THEY WERE THROWN FORWARD VERY VIOLENTLY AS THE BRAKES HAD TO BE APPLIED VERY VERY HARD TO GET IT TO SLOW DOWN. | 00.0%No examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| Vehicle Speed Control | Too few reports for a range | 365 mi | 1 (sparse) | ODI 11155813 · 365 miMY WIFE IS COMPLAINING ABOUT THE VEHICLE SUDDENLY INCREASING IN SPEED OUT OF NOWHERE SHE HITS THE BRAKES AND IT CONTINUES TO INCREASE IN SPEED BOATS ON THE HIGHWAY AND ON CITY STREETS. THE BRAKES DO NOT WORK AS THE SPEED INCREASES ON THE SPEED PETAL SHE HAS TWO PUMP IT SEVERAL TIMES AFTER SEVERAL MINUTES BEFORE IT SLOWS DOWN. MY KIDS WERE IN THE CAR WITH HER WHEN THIS HAPPENED THEY HAD THEIR SEATBELTS ON AND THEY WERE THROWN FORWARD VERY VIOLENTLY AS THE BRAKES HAD TO BE APPLIED VERY VERY HARD TO GET IT TO SLOW DOWN. |
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | None | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 0 | None | No examples available for this selection. |
| 2026-07 | 0 | None | No examples available for this selection. |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2011: 0 complaints · 2012: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2011 | 0 | 0 | 0 |
| 2012 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2011 | 1 | 0 | 0 |
| 2012 | 2 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Vehicle Speed Control |
|---|---|
| Vehicle Speed Control | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.