TL* THE CONTACT OWNS A 2014 INFINITY QX80. THE CONTACT STATED THAT THE VEHICLE WAS LEAKING OIL FROM THE ENGINE GASKETS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 3,000.
2014 infiniti QX80 engine problems
moderate 6 complaints filed with NHTSA · avg repair $3,100
Complaints
6
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 6 most recent
MY TIMING CHAIN WAS STRETCHED. THIS IS THE SAME PROBLEM THE INFINITI QX56 HAD. MY QX80 HAS THE SAME MOTOR AND REPLACEMENT TIMING CHAIN PART. THE QX56 WAS ISSUED A VOLUNTARY SERVICE CAMPAIGN FOR THIS PROBLEM. MY CHAIN HAS NOT BEEN INCLUDED. EVEN THOUGH IT HAS THE SAME JUNK TIMING CHAIN. INFINITI QUOTED ME A REPAIR PRICE OF $4800.
The contact owns a 2014 Infiniti QX80. The contact stated that while starting the vehicle, there was a loud winding noise coming from underneath the vehicle. The same noise would occur while attempting to accelerate. The contact took the vehicle to the dealer who diagnosed that the timing chain had failed and needed to be replaced. The vehicle was in the process of being repaired. The manufacturer…
The contact owns a 2014 Infiniti QX80. The contact stated while driving 50 MPH, the vehicle began to stall. The contact veered to the side of the road and kept the vehicle running. There was no warning light illuminated. The contact then returned to her residence. The contact stated that the failure reoccurred while driving. The check engine warning light was illuminated. The contact contacted the…
TL* THE CONTACT OWNS A 2014 INFINITI QX80. THE CONTACT STATED THAT WHILE STARTING THE VEHICLE, THERE WAS AN ABNORMAL SQUEALING SOUND COMING FROM THE ENGINE, LASTING FOR APPROXIMATELY TEN MINUTES. THERE WAS AN UNKNOWN WARNING LIGHT ILLUMINATED DURING THE FAILURE. THE CONTACT TOOK THE VEHICLE TO FAULKNER INFINITI MECHANICSBURG (6720 CARLISLE PIKE, MECHANICSBURG, PA 17050, (717) 691-8900) TO BE DIAGN…
I starting hearing a grinding noise coming from engine couple of weeks ago. Took it to the Infinity dealership for a diagnostic test. The mechanic stated “ timing chains were found to be stretched and metal was worn.” This is the same issue which prompted the recall of 2011-2013 QX56 models. However, I did not own my vehicle during the recall period.
Common questions
How serious is the engine problem on the 2014 infiniti QX80?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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