infiniti QX56 problems
0 safety recalls. 58 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 6 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
THE FUEL RAIL PRESSURE CENTER MALFUNCTION IS NOT WORKING. CAR STALLS WHEN DRIVING - CHECK ENGINE LIGHT IS ON
THE FUEL GAUGE MAY BE SLOW TO REGISTER, FAIL TO READ FULL WHEN THE GAS TANK IS ACTUALLY FULL, OR READ INACCURATELY. WHEN FILLING GAS TANK TO FULL, AFTER 30 MILES THE GAUGE IS READING 2/3 OF A TANK OR LESS WHILE THE MILES TO EMPTY READING IS STILL HIGH.
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…
TL* THE CONTACT OWNS A 2012 INFINITI QX56. THE CONTACT STATED THAT WHILE DRIVING 60 MPH AND SLIGHTLY APPLYING THE BRAKES, THE BRAKES SEIZED, CAUSING THE VEHICLE TO STOP INSTANTLY. THE CONTACT STATED THAT ONCE THE VEHICLE CAME TO A COMPLETE STOP, THE BRAKES RELEASED AND THE…
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2012 Infiniti QX56 reliable?
Mostly yes. With a reliability score of 8.0 out of 10 based on 58 owner complaints filed with NHTSA, the 2012 Infiniti QX56 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2012 Infiniti QX56?
Based on NHTSA records, the most-reported issue is engine, with 21 complaints filed. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Infiniti QX56 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2012 Infiniti QX56?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 58 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.