Which year to buy
Bar height: serious owner complaints to NHTSA for that year, against this model's usual year.
2013GOOD BUYSerious complaints 0.7× usual Extended coverage
30 serious complaints of 32, the most about engine (19) and suspension (4); 0.7× this model's usual share of all serious complaints about 2013 vehicles. 3 recalls.
What owners report
“The contact owns a 2013 Infiniti QX56. The contact stated upon starting the vehicle, the vehicle made abnormal rattling sounds. The check engine warning light illuminated. The contact also stated that the failure was occurring while driving.”
An owner's complaint to NHTSA about the engine, Nov 2021
“The contact owns a 2013 Infiniti QX56. The contact stated that intermittently while parked, and while driving at various speeds, the rear of the vehicle was sagging. No warning lights were illuminated. The vehicle was taken to a local dealer, where it was diagnosed that the air shocks and compressor needed to be replaced.”
An owner's complaint to NHTSA about the suspension, Feb 2023
Fixes and extended coverage
- Extended coverage Owners of eligible vehicles will receive a notification of the settlement from the third party settlement administrator indicating their eligibility for the following: ï· - Warranty extension of 48 months and unlimited miles to their current 48 month/60,000 mile new vehicle limited warranty for a… (White, Jan 2020)
- Extended coverage OBD II EVAP Tube Warranty Enhancement The update below was sent out to Regions and Retailers in August of this year. (Revision, Nov 2018)
- Repair program Infiniti is conducting a Voluntary Service Campaign on certain 2011-2013 QX56 and 2011-2013 M56 vehicles to replace the ?Timing Chain?. (P6305OL, May 2016)
- Repair program Timing Chain Voluntary Service Campaign - Expiration Notice INFINITI launched this Voluntary Service Campaign on May 6, 2016 on certain 2011-13 INFINITI QX56 and INFINITI M56 vehicles to offer clients the opportunity to replace the timing chain, chain guides, and crank sprocket at no charge to the… (P6305, Oct 2017)
- Repair program VOLUNTARY SERVICE CAMPAIGN 2011 ? 2013 QX56 AND M56; TIMING CHAIN Service Campaign ID # P6305 is No Longer Active. -Infiniti Service Campaign Bulletin ITB16-015 for Service Campaign P6305 was originally issued on May 5, 2016. -Service Campaign ID # P6305 is no longer active. -Repair orders opened… (ITB16-015, Feb 2018)
- Repair program VOLUNTARY SERVICE CAMPAIGN INFINITI; 2G TELEMATICS HARDWARE DEACTIVATION INTRODUCTION Infiniti is conducting a Voluntary Service Campaign (in the U.S. This campaign will be performed at no charge to the customer for parts or labor. - For customers interested in the TCU update as opposed to… (ITB17-041, Jul 2017)
From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.
32 owner complaints · 3 recalls (check a car's VIN for open recalls) · EPA combined: 16 mpg · NHTSA: Not rated
2012GOOD BUYSerious complaints 1.3× usual, mostly engine and fuel system Extended coverage
50 serious complaints of 59, the most about engine (24) and fuel system (7); 1.3× this model's usual share of all serious complaints about 2012 vehicles. 3 recalls.
What owners report
“The contact owns a 2012 Infiniti QX56. The contact stated while driving 30 MPH and depressing the accelerator pedal, the vehicle started shaking violently. The contact stated that the check engine warning light was illuminated.”
An owner's complaint to NHTSA about the engine, May 2022
“Had no prior issues, driving down the hwyat 65 miles per hr.. Car failed. Costed to side of road made it to repair shop and the fuel pump went out, which affected the timming chain and broke the teeth, which has affected the motor. This is a design defect that hundred other folks are having. I could have lost my life with this vehicle”
An owner's complaint to NHTSA about the fuel system, Mar 2021
Fixes and extended coverage
- Extended coverage Owners of eligible vehicles will receive a notification of the settlement from the third party settlement administrator indicating their eligibility for the following: ï· - Warranty extension of 48 months and unlimited miles to their current 48 month/60,000 mile new vehicle limited warranty for a… (White, Jan 2020)
- Extended coverage OBD II EVAP Tube Warranty Enhancement The update below was sent out to Regions and Retailers in August of this year. (Revision, Nov 2018)
- Repair program Infiniti is conducting a Voluntary Service Campaign on certain 2011-2013 QX56 and 2011-2013 M56 vehicles to replace the ?Timing Chain?. (P6305OL, May 2016)
- Repair program Timing Chain Voluntary Service Campaign - Expiration Notice INFINITI launched this Voluntary Service Campaign on May 6, 2016 on certain 2011-13 INFINITI QX56 and INFINITI M56 vehicles to offer clients the opportunity to replace the timing chain, chain guides, and crank sprocket at no charge to the… (P6305, Oct 2017)
- Repair program VOLUNTARY SERVICE CAMPAIGN 2011 ? 2013 QX56 AND M56; TIMING CHAIN Service Campaign ID # P6305 is No Longer Active. -Infiniti Service Campaign Bulletin ITB16-015 for Service Campaign P6305 was originally issued on May 5, 2016. -Service Campaign ID # P6305 is no longer active. -Repair orders opened… (ITB16-015, Feb 2018)
From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.
59 owner complaints · 3 recalls (check a car's VIN for open recalls) · EPA combined: 16 mpg · NHTSA: Not rated
2011CAREFULSerious complaints 1.7× usual, mostly engine and fuel system
66 serious complaints of 78, the most about engine (37) and fuel system (18); 1.7× this model's usual share of all serious complaints about 2011 vehicles.
What owners report
“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 was illuminated.”
An owner's complaint to NHTSA about the engine, Jan 2022
“Fuel line failure: a fuel line fitting/clamp on back side of engine (drivers side) is streaming fuel at a rate of approximately 1/2 cup per minute.”
An owner's complaint to NHTSA about the fuel system, Dec 2015
78 owner complaints · 0 recalls · EPA combined: 16 mpg · NHTSA: Not rated
2010GOOD BUYSerious complaints 0.5× usual Extended coverage
18 serious complaints of 25, the most about air bags (6) and steering (6); 0.5× this model's usual share of all serious complaints about 2010 vehicles. 3 recalls.
What owners report
“The passenger airbag restraint system has failed. Specifically, the passenger seat airbag sensor has failed, meaning there is no current airbag functionality for the passenger in my 2010 Infiniti QX56. There was a voluntary safety recall for (R1606) for Infiniti QX56's with years 2014-2016 for the same fault.”
An owner's complaint to NHTSA about the air bags, Dec 2023
“The contact owns a 2010 infinti qx56. When driving various speeds over rough roads or potholes, the vehicle veered to the left. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 58,006.”
An owner's complaint to NHTSA about the steering, Apr 2015
Fixes and extended coverage
- Extended coverage OBD II EVAP Tube Warranty Enhancement The update below was sent out to Regions and Retailers in August of this year. (Revision, Nov 2018)
- Repair program VOLUNTARY SERVICE CAMPAIGN 2010 QX56; INTELLIGENT CRUISE CONTROL (ICC) SENSOR Service Campaign ID # PC028 is no longer active. ï· Repair orders opened after this bulletinâs published date are no longer eligible for reimbursement under Campaign ID # PC028. ï· Discard all previous versions of… (ITB10-003, May 2021)
- Repair program VOLUNTARY SERVICE CAMPAIGN 2010 4WD INFINITI QX56; FRONT PROPELLER SHAFT Service Campaign ID # PC037 is no longer active. ï· Repair orders opened after this bulletinâs published date are no longer eligible for reimbursement under Campaign ID # PC037. ï· Discard all previous versions of… (ITB10-016, Jun 2021)
- Repair program VOLUNTARY SERVICE CAMPAIGN 2010 QX56; FRONT A/C ACTUATOR MOTOR Service Campaign ID # PC091 is no longer active. ï· Repair orders opened after this bulletinâs published date are no longer eligible for reimbursement under Campaign ID # PC091. ï· Discard all previous versions of ITB11-028. (ITB11-028, Aug 2021)
From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.
25 owner complaints · 3 recalls (check a car's VIN for open recalls) · EPA combined: 14 mpg · NHTSA: Not rated
Verdicts computed from NHTSA owner complaints, defect investigations and recalls. NHTSA doesn't publish sales, so only big differences count. (How we judge.) Data checked 2026-10-06.
Year by year
| Year | Engines | Drive | Fuel economy | Crash rating | Recalls | Owner complaints | Most-reported problem | CarPlay |
|---|---|---|---|---|---|---|---|---|
| 2013 | 5.6L 8-cyl | 4WD, RWD | 16 mpg | Not rated | 3 | 32 | Engine (19) | — |
| 2012 | 5.6L 8-cyl | 4WD, RWD | 16 mpg | Not rated | 3 | 59 | Engine (24) | — |
| 2011 | 5.6L 8-cyl | 4WD, RWD | 16 mpg | Not rated | 0 | 78 | Engine (37) | — |
| 2010 | 5.6L 8-cyl | 4WD, RWD | 14 mpg | Not rated | 3 | 25 | Air bags (6) | — |
Owner complaints are unverified reports to NHTSA, counted as filed: older years have had longer to collect them and sales aren't adjusted for, so see Which year to buy for a fair comparison. Most-reported problem: the component named in the most complaints that year. Sources: EPA, NHTSA, Apple.
Trim-by-trim features for Infiniti aren't in our data yet: so far we have them for BMW, Genesis, Hyundai, Kia, Mazda, Subaru, Toyota, and more brands are on the way.
Every NHTSA-rated version: crash ratings, safety tech, recalls, complaints
| Year | Version | Stars | Forward collision warning | Lane departure warning | Recalls | Complaints |
|---|---|---|---|---|---|---|
| 2013 | Infiniti QX56 SUV 4WD | Not Rated | Optional | Optional | 3 | 32 |
| 2013 | Infiniti QX56 SUV RWD | Not Rated | Optional | Optional | 3 | 32 |
| 2012 | Infiniti QX56 SUV 4WD | Not Rated | Optional | Optional | 4 | 59 |
| 2012 | Infiniti QX56 SUV RWD | Not Rated | Optional | Optional | 4 | 59 |
| 2011 | Nissan QX56 SUV 4WD | Not Rated | Optional | Optional | 2 | 78 |
| 2011 | Nissan QX56 SUV RWD | Not Rated | Optional | Optional | 2 | 78 |
| 2010 | Infiniti QX56 4-DR w/SAB | Not Rated | No | No | 3 | 25 |
Source: NHTSA.
Every EPA-rated version: engines and combined mpg
| Year | EPA model | Engines | Combined |
|---|---|---|---|
| 2013 | QX56 2WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2013 | QX56 4WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2012 | QX56 2WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2012 | QX56 4WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2011 | QX56 2WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2011 | QX56 4WD | Auto (S7), 8 cyl, 5.6 L | 16 |
| 2010 | QX56 2WD | Auto 5-spd, 8 cyl, 5.6 L | 14 |
| 2010 | QX56 4WD | Auto 5-spd, 8 cyl, 5.6 L | 14 |
Source: fueleconomy.gov.