2012 Infiniti QX56
Problems, Recalls & Reliability Report
Quick Summary
The 2012 Infiniti QX56 has 72 owner complaints filed with NHTSA — that's 1.0x the segment average of 72. The most common issue is engine problems (39% of all complaints), specifically: tl* the contact owns a 2012 infiniti qx56. while driving 60 mph, the contact noticed that the vehicle had suddenly stalled without warning. the vehicle was taken to the dealer, where the contact was informed that the failure could not be duplicated. the vehicle had not been repaired. the failure and. There are 2 recalls issued for this model year.
72
Total Complaints
2
Recalls Issued
—/5
Safety Stars
1.0x
vs Segment Avg
Known Problems(top 5 of 8)
ENGINE
28 complaints- • TL* THE CONTACT OWNS A 2012 INFINITI QX56. WHILE DRIVING 60 MPH, THE CONTACT NOTICED THAT THE VEHICLE HAD SUDDENLY STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND
- • VEHICLE DROPPED SPEED ON THE HIGHWAY AND STARTED FLASHING THE SERVICE ENGINE SOON LIGHT. THE SPEED DROP WAS SEVERE AND PLACED ME IN A DANGEROUS SITUATION ON THE HIGHWAY. IT ALSO HAD A WHINING NOISE AT START WHEN I LEFT . TOOK IT TO THE DEALER, THEY INFORMED ME THE TIMING CHAIN NEEDED TO BE REPLAC
- • INFINITI QX56 2012 WITH 100,000 MILES STARTED MAKING WHINING NOISE AT START-UP AND THE ENGINE WOULD RUN AND SPUTTER WITHIN 7K MILES OF A FULL SYNTHETIC OIL CHANGE. CALLED DEALERSHIP AFTER WORKING WITH LOCAL MECHANIC AND THEY KNOW THEIR IS A BULLETIN ON THIS VEHICLE THAT REQUIRES AND NEW TIMING CHAI
“TL* THE CONTACT OWNS A 2012 INFINITI QX56. WHILE DRIVING 60 MPH, THE CONTACT NOTICED THAT THE VEHICLE HAD SUDDENLY STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND”
— NHTSA complaint filing
When Problems Appear on the 2012 Infiniti QX56
Based on 53 owner complaints that included an odometer reading. Median mileage at time of complaint: 86K miles. Most complaints cluster in the 60-100K miles range.
FUEL SYSTEM
ENGINE
ELECTRICAL
Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.
Recalls (2)
Nissan North America, Inc. (Nissan) is recalling certain 2012-2017 NV Cargo and NV Passenger Van, 2013-2015 Titan and Armada and 2011-2012 Infiniti QX56 vehicles. Due to a manufacturing issue, the air bag inflator may not function properly or may rupture during deployment.
Risk: An inflator rupture may result in metal fragments striking the driver or other occupants resulting in serious injury or death.
Fix: Nissan will notify owners, and dealers will replace the front driver air bag inflators, free of charge. The recall began May 7, 2020. Owners may contact Nissan customer service at 1-800-867-7669 or Infiniti customer service at 1-800-662-6200.
Fuel Cost Calculator for 2012 Infiniti QX56
Live EIA pricesBased on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.
5-Year Gas Price History
EIA weekly retail data · 2021 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2012 Infiniti QX56
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Infiniti New-Vehicle Warranty Coverage
These are the terms for a new Infiniti. If you're buying a used 2012 QX56, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Infiniti dealer for VIN-specific remaining warranty.
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 72 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: TL* THE CONTACT OWNS A 2012 INFINITI QX56. WHILE DRIVING 60 MPH, THE CONTACT NOTICED THAT THE VEHICLE HAD SUDDENLY STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: TL* THE CONTACT OWNS A 2012 INFINITI QX56. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILE
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: TL* THE CONTACT OWNS A 2012 INFINITI QX56. THE CONTACT RECEIVED A NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V683000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART NEEDED TO DO THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME. THE MANUFACTURER WAS
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: I OWN A QX56 AND I BROUGHT IT TO THE DEALERSHIP BECAUSE THE CHECK ENGINE LIGHT WAS ON I WAS TOLD BOTH OF MY CATALYTIC CONVERTERS HAVE GONE OUT. I PURCHASED THE EXTENDED WARRANTY BUT THE SAY IT IS NOT COVERED UNDER MY WARRANTY. DOING A LIL RESEARCH ON IT I SEE PLENTY OF PEOPLE ARE HAVING THE SAME PRO
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 2 recalls have been completed — free at any Infiniti dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Infiniti QX56 — Year Comparison
How does 2012 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 72
- Recalls
- 2
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 0
- Segment avg
- 72
Check a Specific VIN
See recalls for YOUR 2012 Infiniti QX56