2011 Infiniti Qx56: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2011 Infiniti Qx56? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 76 complaints, with Engine Problems as the top reported area.
2011 Infiniti Qx56 Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 2 2011 Infiniti Qx56 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.
Based on NHTSA complaint data, the 2011 Infiniti Qx56 has 76 owner complaints, 0 crash-related complaints, and 1 recall campaign on record. The most frequently reported component is Engine Problems. NHTSA reliability signal: Minor Issues.
- Make
- Infiniti
- Model
- Qx56
- Model year
- 2011
- NHTSA owner complaints
- 76
- Crash-related complaints
- 0
- Safety recall campaigns
- 1
- Top reported component
- Engine Problems
- Reliability signal
- Minor Issues
- EPA MPG combined
- 16
- EPA MPG city / highway
- 14 / 20
- Fuel type
- Premium Gasoline
Most Common 2011 Infiniti Qx56 Problems
Top owner-reported complaint areas and where they often appear.
Engine Problems
Fuel/Propulsion System
Suspension Failures
Complaint patterns center on Engine Problems, Fuel/Propulsion System, Suspension Failures. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2011 Infiniti Qx56?
The 2011 Infiniti Qx56 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2011 Infiniti Qx56
Inspection Focus
- Inspect the engine for reported problems, such as stalling or performance issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for fuel system and suspension repairs.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect the engine for reported problems, such as stalling or performance issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for fuel system and suspension repairs.
- Have a mechanic inspect the vehicle before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2011 Infiniti Qx56, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
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 2011 INFINITI QX56 are concentrated in engine and fuel/propulsion system issues, with a total of 76 complaints and one recall. No crash-related complaints were reported, but the confidence level is low due to limited data.
- Engine Problems account for 39 of 76 complaints, the highest among all components.
- Fuel/Propulsion System issues total 18 complaints, the second most reported.
- Suspension Failures have 9 complaints, indicating a potential concern.
- Engine Problems
- Fuel/Propulsion System
- Suspension Failures
All 2011 Infiniti Qx56 Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2011 Infiniti Qx56. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 39 | — | — | — | |
| Fuel/Propulsion System | 18 | — | — | — | |
| Suspension Failures | 9 | — | 1 | — | |
| Uncategorized Issues | 8 | — | — | — | |
| Transmission / Drivetrain | 4 | — | — | — | |
| Electrical Faults | 3 | — | 1 | — | |
| Fuel System | 2 | — | — | — | |
| Gasoline | 2 | — | — | — | |
| Airbag Malfunctions | 2 | — | 1 | — | |
| Structural Problems | 2 | — | — | — | |
| Unintended Acceleration | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Wheel Issues | 1 | — | — | — | |
| Visibility/Wiper | 1 | — | — | — | |
| Steering Defects | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2011 Infiniti Qx56. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
A subframe is a key structural component of every car. As such, it stands to reason that it should last as long as the car itself. Doing much research on this model suspension and subframes become rusted as I didn’t know this when purchasing making it very unsafe . I experienced …
Unknown. Timing chain issue. When car is started it makes a noise for about 10 min then goes away
Catalytic Converter, A/F Sensor failed on the interstate when I was driving with kids in the car. Took vehicle to the nearest dealer only to be told that this is a known problem with these vehicles and it was going to cost me $3,100 to repair.
The rear controls arms and cradle mount were riddled with severe fissures, causing car to sway dramatically. The level of component failure posed a severe safety risk to me. My mechanic was shocked by the amount of failure to these major rear suspension components. I have include…
I'M CURRENTLY DEALING WITH THE TIMING CHAIN NIGHTMARE SO MANY OTHERS HAVE HAD AND ARE HAVING. OF COURSE JUST AS MOST OF THE OTHERS I'M OUT OF WARRANTY AND REALLY FRUSTRATED THAT INFINITI HASN'T STEPPED UP TO THE PLATE TO ADDRESS THE PROBLEM PROPERLY AS OPPOSED TO RENAMING THE QX5…
The contact owns a 2011 Infiniti QX56. The contact stated while driving approximately 25 MPH, the vehicle began to shake and inadvertently stalled. The check engine warning light was illuminated. The vehicle was taken to a local dealer where it was diagnosed with needing the high…
The contact owns a 2011 Infiniti QX56. The contact stated while driving at various speeds, the vehicle would vibrate violently. Additionally, the vehicle had experienced intermittent power loss and had gone into limp mode. The contact stated that the check engine warning light wa…
CODE REF TSBNO. 16-015 TIMING CHAINS REPLACEMENT MANUFACTURER DEFECT AND RECALL
WHILE DRIVING MY 2011INFINITI QX56 TO WORK, THE SERVICE ENGINE LIGHT CAME ON AND THE VEHICLE START LOSING POWER AND SHAKING.AFTER CHECKING IT I HAD CODESPOO21,POO87 AND POO90. THE CODES ARE RELATED TO VVT SOLENOID AND HIGH PRESSURE FUEL PUMP.
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED WHILE DRIVING 65 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT CONTINUED DRIVING TO HIS DESTINATION. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER SOUTHWEST INFINITI (10495 SOUTHWEST FWY, HOUSTON, TX 77074, …
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THERE WAS AN ABNORMAL SOUND COMING FROM THE VEHICLE. THE CONTACT PULLED OVER AND INSPECTED UNDERNEATH THE VEHICLE. THE CONTACT BECAME AWARE THAT THE REAR LOWER CONTROL ARM ON…
TIMING CHAIN STARTED RATTLING @ 125,000 MILES.. HOWEVER, MY VIN SHOWS NO RECALL FOR MY CAR. CATS WENT BAD, HAD TO BE REPLACED AND NOW NEED TO BE REPLACED AGAIN. YET NO RECALL ON MY CAR. THE BATTERY CONSTANTLY GOES DEAD IN THE CAR. I BOUGHT A NEW INFINITY BATTERY IN THE CAR TH…
THE AIR SUSPENSIONS OF THIS SUV GOES OUT. THE WHITE PAINT FOR MY 2011 GX56 IS PEELING ALL OVER THE VEHICLE. AND NEEDS TO BE PAINTED ASAP. THIS VEHICLE IS A LUXURY TRUCK THAT'S PEELING BAD.
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED WHILE DRIVING 40 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED HOWEVER, THE VEHICLE FAILED TO RESPOND AND DECELERATED WITHOUT WARNING. THE VEHICLE WAS COASTED TO THE SHOULDER OF THE ROADWAY AND TURNED OFF AND RESTARTED HOWE…
CATALYTIC CONVERTER FAILURE ON DRIVER'S SIDE RESULTING IN CHECK ENGINE LIGHT.
ON JUNE 1ST 2020 I TOOK MY 2011 INFINITI QX56 TO THE SHOP FOR HAVING THE CODE P0087. THE SHOP TOLD ME THAT I SHOULD TAKE IT TO THE DEALERSHIP BECAUSE THE PROBLEMS THE VEHICLE IS HAVING ARE RECALLED UNDER VOLUNTARY SAFETY RECALL CAMPAIGN. WHEN I CALLED MY LOCAL INFINITI DEALERSHIP…
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE VEHICLE FAILED TO RESPOND WITH THE ACCELERATOR PEDAL DEPRESSED. THE CONTACT STATED THAT THERE WAS AN ABNORMAL FUEL ODOR COMING FROM UNDER THE HOOD OF THE VEHICLE. UPON IN…
WAS DRIVING MY VEHICLE AND FIRST NOTICED A DROP IN FUEL ECONOMY. LATER IT WAS LOSING POWER AND STALLING. GAVE ME P0090 AND P0087 CODES. HAPPENED IN BOTH DRIVING AND STATIONARY POSITIONS. TURNS OUT MY HIGH PRESSURE FUEL PUMP IS BAD.
ENGINE IS MAKING LOUD WHINING NOISE AND JERKS. NOISE IS HEARD WHEN THE TRUCK STARTS AND IS ON IDDLE. THERE WAS A SERVICE BULLETIN ISSUED IN 2016 ITB16-015. WE WERE NEVER NOTIFIED OF THIS CAMPAIGN. WHEN CALLING INFINITY CORPORATE THEY DENIED FIXING THE ISSUE BECAUSE THEY COULD…
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED THAT WHILE DRIVING ON AN INCLINE APPROXIMATELY 50 MPH, THE VEHICLE LOSS MOTIVE POWER WITH AN ABNORMAL SOUND COMING FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TOWED TO THE DEALER INFINITI OF GWINNETT, (3090 SATELLITE …
Source: NHTSA Complaints Database. Real owner reports for the 2011 Infiniti Qx56.
2011 Infiniti Qx56 Recalls
1 campaignNHTSA recall campaigns for the 2011 Infiniti Qx56. 1 recall campaign is on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2011 Infiniti Qx56 Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2011 Infiniti Qx56 reliable?▾
Minor Issues. NHTSA currently shows 76 owner complaints, 0 crash-related complaints, and 1 recall campaign for this model year. The 2011 Infiniti Qx56 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. 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 2011 Infiniti Qx56?▾
#1: Engine Problems (39 complaints). #2: Fuel/Propulsion System (18 complaints). #3: Suspension Failures (9 complaints)
At what mileage do problems start on the 2011 Infiniti Qx56?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2011 Infiniti Qx56?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2011 Infiniti Qx56, NHTSA complaints include 0 crash-related reports and 1 fire reports out of 76 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2011 Infiniti Qx56 have any recalls?▾
Yes. 1 NHTSA recall campaign affect the 2011 Infiniti Qx56. A major recall area is AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE. 1 recall campaign is on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2011 Infiniti Qx56?▾
The 2011 Infiniti Qx56 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. 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 Engine Problems 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 Qx56 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2011 Infiniti Qx56 based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
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.