NHTSA lists 3 safety recalls and 59 owner complaints for the 2012 Infiniti QX56. Most complaints involve engine (24) and electrical system (9). The EPA rates it 16 mpg combined.
Nissan North America, Inc. (Nissan) is recalling certain 2020-2026 Nissan Armada, 2011-2013 Infiniti QX56, and 2014-2027 QX80 vehicles equipped with 22" wheels. The Gross Axle Weight Rating (GAWR) listed on the certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
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.
Nissan North America, Inc. (Nissan) is recalling certain model year 2012-2014 Nissan Juke, 2012-2013 Infiniti M56, QX56, and 2014-2015 Infiniti Q70 (V8 engine vehicles only), and QX80 vehicles. The fuel pressure sensors may not have been sufficiently tightened during production. As a result, the fuel pressure sensor may loosen with vehicle usage and cause a fuel leak.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“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. The contact took the vehicle to the local dealer, where it was diagnosed with needing the timing chain to be replaced. The vehicle was not repaired and continued to experience the failure. The manufacturer had been informed of the failure. The failure mileage was approximately 87,000.”
“TL* THE CONTACT OWNS A 2012 INFINITI QX56. THE CONTACT STATED THAT THE BATTERY FAILED PREMATURELY. THE VEHICLE WAS TAKEN TO AN UNKNOWN DEALER, AND AN INDEPENDENT MECHANIC, TO HAVE A DIAGNOSTIC PERFORMED. THE DIAGNOSTIC TEST WAS UNABLE TO LOCATE A FAILURE CODE THEREFORE, THE BATTERY WAS REPLACED SEVERAL TIMES. THE VEHICLE WAS TAKEN BACK TO THE UNKNOWN DEALER AND THE CONTACT WAS INFORMED THAT THE BATTERY FAILURE COULD BE CAUSED BY PARASITIC DRAIN OR A RELAY FAILURE. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 83,000.*DT*JB”
“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”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| QX56 2WD Auto (S7), 8 cyl, 5.6 L · Rear-Wheel Drive | 14 | 20 | 16 | $4,850 | 555 |
| QX56 4WD Auto (S7), 8 cyl, 5.6 L · 4-Wheel Drive | 14 | 20 | 16 | $4,850 | 555 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
3 safety recalls as of Nov 8, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 59 complaints with NHTSA. The most-cited components are engine (24), electrical system (9), fuel/propulsion system (7). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2012 Infiniti QX56 at 16 mpg combined, depending on engine and drivetrain (2 versions rated).