Infiniti QX50 Complaints

283 consumer complaints on file.

#11752795July 25, 2026
STRUCTURE:BODY
While the vehicle was being operated under normal driving conditions, the hood unexpectedly disengaged and flew upward from the windshield side of the vehicle. This sudden and dangerous event substantially obstructed the driver's visibility and created an immediate risk of catastrophic injury, death, and property damage. Fortunately, no collision occurred; however, the potential consequences of such a failure are self-evident.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11752709July 24, 2026
POWER TRAIN
My 2019 Infiniti QX50 has the KR20DDET 2.0L VC-Turbo engine involved in NHTSA Recall 25V437/Infiniti Campaign R25B2 for potential engine-bearing failure, but my VIN does not currently show an open recall. The vehicle is at Infiniti Milwaukee, [XXX], [XXX]. During inspection, bronze-colored metallic glitter/debris was found in the engine oil. This may indicate internal bearing wear and appears consistent with the metal debris that Recall 25V437 requires dealers to check for in the lower oil pan. The dealership is refusing to acknowledge or report the bronze-colored debris as possible bearing material. It reported only “engine sludge” to Infiniti and is treating the engine repair as customer-pay. Sludge and bronze-colored metallic particles are visibly different conditions. The vehicle and engine are available for inspection at the dealership. I requested preservation of the oil, filter, oil-pan contents, photographs, video and technician findings. Bearing failure could cause engine damage or loss of power while driving, increasing crash risk. Warning lights before inspection: UNKNOWN. The exact composition of the debris is UNKNOWN pending testing. You see metal debris in oil pan of the video of an engine that failed citing sledge while clearing seeing metal debris in the photo provided by the dealership. I request that NHTSA investigate whether this vehicle was incorrectly excluded from the recall and whether recall-related metallic debris is being misclassified as sludge. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11752737July 24, 2026
ELECTRICAL SYSTEM:HORN, ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
The contact owns a 2022 Infiniti QX50. The contact stated that upon parking and exiting the vehicle the horn proceeded to go off for 45 minutes until complete failure, and no warning lights were illuminated. The vehicle was taken to a local mechanic where it was diagnosed and the contact was advised that the circuits and fuses for horn operation were faulty and would need to be replaced. The manufacturer was notified of the failure. The failure mileage was 51,946.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11751520July 20, 2026
LATCHES/LOCKS/LINKAGES
The contact owns a 2019 Infiniti QX50. The contact stated that after turning the vehicle off and exiting with the keys remaining inside the vehicle, the contact opened rear driver’s side door to retrieve a diaper bag and closed the door. While attempting to open the rear passenger’s side door to remove the child from the vehicle, the contact discovered that all four doors were locked. The Police and Fire Department was called to the scene. The window was intentionally fractured to unlock the door, and the child was removed from the vehicle. The cause of the failure was not yet determined. The local dealer was notified of the failure. The manufacturer was not contacted. The failure mileage was 57,859.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11747250June 29, 2026
ELECTRICAL SYSTEM, ENGINE, POWER TRAIN
On June 16, 2026, a 2021 Infiniti QX50 experienced a safety-related malfunction while being driven at approximately 15–20 mph. The vehicle suddenly jerked, lost power response, displayed multiple warning lights, showed a “System Fault – See Owner’s Manual” message, and became unresponsive/difficult to control. The engine remained on, but the vehicle did not respond properly. The vehicle struck a fixed object/rock. A police report was filed/requested, and medical evaluation was sought afterward. The suspected failed or malfunctioning systems are the engine/powertrain response, electrical system, and related control systems. The vehicle should be available for inspection upon request and should be preserved before any diagnostic codes, freeze-frame data, event data, modules, or electronic records are cleared, reset, repaired, overwritten, or destroyed. Before this incident, repeated drivability and safety-related concerns were reported to Infiniti/dealer service departments, including vibration during acceleration, abnormal gas pedal vibration, lack of acceleration, poor power response, jerking/jolting, rough ride, abnormal noises, front-end noise, and safety/reliability concerns. Some concerns were documented in service records. Prior repairs included front passenger-side wheel bearing replacement and cooling fan/IPDM-related warranty work, but the drivability/power-response concerns continued. UNKNOWN whether the manufacturer completed a full post-incident inspection. The vehicle has been reviewed by police and insurance-related parties to the extent related to the collision. This complaint is being filed because the condition appears to involve a safety defect causing loss of power response and system fault warnings while driving. I am currently waiting on the police report, the report number has been provided.
Crash:
Yes
Fire:
No
Injuries:
3
Deaths:
0
#11746230June 24, 2026
ENGINE AND ENGINE COOLING
The contact owns a 2021 Infiniti QX50. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from under the hood. No warning light was illuminated. The vehicle was taken to a local dealer, where it was diagnosed and metal shavings were found in the oil pan. Upon further investigation, the contact associated the failure with NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the repair was denied due to the criteria not being met, a lack of maintenance records, and sludge in the oil pan. The vehicle was previously taken to a local independent mechanic to be diagnosed and there was no sludge in the oil pan from a previous maintenance service. The contact was adamant that the VIN was previously associated with the recall, but was removed. The manufacturer was made aware of the failure. The failure mileage was approximately 122,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11745834June 23, 2026
ENGINE
There is an active and unremedied safety recall on my 2021 Infiniti QX50 (NHTSA Recall #25V-437) for a critical engine defect that can result in complete engine failure and risk of fire. The recall was issued on June 26, 2025. I am an active-duty military member stationed in Germany. I shipped my vehicle in January 2026, before a remedy was available. My vehicle is now exhibiting all the early warning signs mentioned in the recall notice, including unusual engine noises, rough performance, and illuminated warning lights. I first contacted Infiniti for assistance on March 19, 2026. As of today's date, after more than three months of communication with their representative (case #[XXX]), Infiniti has failed to provide a remedy or a timeline for the repair. They have been unable to coordinate with a local dealer in Germany, leaving me to drive a vehicle with a known, dangerous safety defect. The manufacturer is failing to provide a remedy in a timely manner as required. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11745805June 22, 2026
ENGINE, POWER TRAIN, VEHICLE SPEED CONTROL
2019 Infiniti QX50 with engine bearing failure defect matching NHTSA Recall #25V-437. Vehicle was sold to me on 12/24/2025 by a dealer, MORE THAN FIVE MONTHS after the recall was issued on 07/14/2025. The dealer NEVER disclosed the active, unrepaired safety recall. Two months after purchase, the engine developed loss of power and unusual noises - exact symptoms described in the recall. An independent mechanic diagnosed a pre-existing camshaft bearing defect. Despite component replacement, symptoms persist, confirming the defect was present at time of sale. This is a serious safety violation. The dealer knew or should have known about the recall via CARFAX and failed to disclose it, violating federal law 49 U.S.C. § 30120. The vehicle is unsafe to drive with an unrepaired engine bearing failure. Safety Risk: Engine bearing degradation can lead to complete engine failure while driving, resulting in loss of motive power and crash risk. Requested Action: Federal investigation into dealer's failure to disclose active safety recalls.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11745300June 19, 2026
ENGINE
The issue on the 2019 Infiniti QX50 it's not the motor that they had the recall on it's the VCR actuator it goes bad causes the bracket that's connected to rub against the side of the engine block causes it to have metal shavings and the car to go in limp mode and can cause an accident it's a common issue just put one in and already bad not even a year The original one made it to $47,000 mi before going bad
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11743558June 11, 2026
ELECTRICAL SYSTEM, EXTERIOR LIGHTING, FORWARD COLLISION AVOIDANCE: WARNINGS
Vehicle screens repeatedly rebooting over a 2 month period. Auto high beams stopped working. Chassis control error on dash occurred. Smoke smell in cabin occurred after dealer returned the vehicle from a repair attempt. Vehicle had to be towed back up . Dealer reporting they can not recreate errors and want to return it. It’s a safety hazard . Has been at the mechanics for over 20 business days. Dealer being unprofessional and swearing at the customer. Vehicle reported crash detection to emergency services in its own when sitting in a fast food drive through.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11743319June 10, 2026
ENGINE, FUEL/PROPULSION SYSTEM, POWER TRAIN
Engine bearing failures, sudden loss of power, stalling, or complete engine failure — creating crash risks.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11740437May 27, 2026
ENGINE
Open recall on Engine (NHTSA #25-V437) Engine has been replaced and recall repaired.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11739104May 20, 2026
UNKNOWN OR OTHER
The vehicle experienced hesitation, delayed acceleration, and multiple warning lights while driving. The loss of power was severe enough that the driver became afraid to make left turns across traffic because the vehicle would not accelerate quickly or consistently when needed. This created a significant safety risk, as the driver could not reliably judge whether the vehicle would clear an intersection before oncoming traffic. A diagnostic trouble code related to the turbocharger control system was retrieved during the first visit to the dealership. The vehicle was brought in for a recall inspection involving potential engine bearing wear and oil pressure issues, but the recall inspection was not performed on the first visit and was rescheduled. On the way to the recall appointment, additional warning lights illuminated and the vehicle again lost power. The dealership kept the vehicle and stated that further diagnostics were needed. Over several days, the dealership reported that diagnostics were being performed, but no diagnostic results, measurements, technician notes, or recall determination were provided. The manufacturer later confirmed that they had not received any diagnostic information from the dealership and could not proceed with the recall case. The dealership verbally stated that the turbocharger issue was “not related to the recall,” but no documentation was provided to support this. Instead, the dealership sent a cost‑sharing repair proposal without identifying the failed component, the cause of the failure, or whether the failure was related to the recall. Warning lamps and reduced performance first appeared on the initial date of symptoms and continued through the recall appointment. The recall process remains incomplete because the dealership has not provided the required diagnostic documentation.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11738589May 18, 2026
ELECTRICAL SYSTEM, UNKNOWN OR OTHER
The vehicle has experienced ongoing electrical and safety-system related malfunctions shortly after being purchased as an INFINITI Certified Pre-Owned vehicle in April 2025. The issues initially included flickering interior and exterior lights, intermittent door lock malfunctions, and other electrical irregularities. In June 2025, I received notification through the INFINITI app regarding a major engine recall involving engine bearing failure concerns affecting my vehicle. I brought the vehicle to Harte INFINITI for inspection regarding the recall and my electrical concerns. During that visit, dealership personnel acknowledged there were multiple vehicles experiencing similar engine bearing issues related to the recall. Despite my concerns, I was told the vehicle was “safe to drive” because no diagnostic codes were present at that time. The problems continued to worsen over time. On February 26, 2026, during a routine oil change shortly after expiration of the basic warranty, I was presented with approximately $2,600 in recommended repairs despite previously being told there were no issues with the vehicle. Most recently, the vehicle developed Forward Emergency Braking (FEB) malfunction warnings and Lane Assist malfunction warnings involving critical driver assistance and collision-avoidance systems. These warnings raised serious concerns regarding the safe operation of the vehicle because they involve systems designed to help prevent collisions and maintain vehicle control. I was concerned that these systems could fail unexpectedly while driving, potentially increasing the risk of an accident or injury to myself, passengers, or others on the roadway. The vehicle was returned to the dealership for inspection, where I was presented with an additional repair estimate exceeding $4,600 along with diagnostic charges. Despite the active safety-system malfunction warnings, I was again advised that the vehicle was safe to drive.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11738125May 15, 2026
ELECTRICAL SYSTEM, LANE DEPARTURE: WARNING, FORWARD COLLISION AVOIDANCE: WARNINGS
I purchased my vehicle 4.25. soon after I noticed lights flickering. I was notified shortly after my car was part of the major recall. I brought it in, they said no engine bearings, car is ok, they did not acknowledge the lights because there was no code. I was due for an oil change a few months later and the dealer gave me a 2600.00 estimate for repairs. soon after the FEB light and the lane assist malfunctions. emergency brake malfunctions are DANGEROUS AND UNSAFE .I have made numerous calls to infiniti in the meantime to initiate a buy back. I take the car to Infiniti, now i have. 4376.00 estimate.I have only had this vehicle 13 months. it was a CPO. They assume no responsibility and refuse to buy back. There are numerous complaints with the 2021 qx50 all are the same. This vehicle is not reliable, this company is not reputable. something needs to be done. my car has visited the dealer 3xs and everytime , more money. they know this is a problem- I am now stuck in a vehicle that was sold knowing it was not reliable or safe
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11737328May 12, 2026
STRUCTURE:BODY
The front driver-side door on my 2021 Infiniti QX50 appears to have a faulty latch, hinge, or door ajar sensor issue. The vehicle repeatedly displays a “door open/door ajar” warning even when the door is fully shut and latched. The warning can sometimes be triggered or worsened by leaning on the door or applying light pressure, which suggests movement in the latch or hinge assembly. The issue also occurs while making left turns, where the warning activates as if gravity or vehicle movement is pulling the door slightly outward. This raises concern that the door latch may not be fully securing the door during normal driving conditions. This creates a safety concern because the vehicle may not properly recognize the door as securely closed while driving. There is concern that the latch assembly may not be functioning correctly or could fail unexpectedly. The issue also creates distraction while driving due to warning messages and alerts appearing intermittently. There were warning messages prior to the issue becoming more noticeable, specifically repeated “door open” alerts despite the door appearing fully closed. The issue appears consistent with reports involving faulty or misaligned door latch assemblies and/or door ajar switch malfunctions on Infiniti QX50 vehicles. At this time, the vehicle has not yet been fully repaired or confirmed by a dealer. The problem can be reproduced intermittently by closing the door normally and applying slight pressure or leaning against the door from inside or outside the vehicle, as well as during left-hand turns while driving.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11736097May 6, 2026
AIR BAGS
The Infiniti dealer (BERGLAND Infiniti Roanoke, VA recently inspected the car, 68000m flashing airbag light caused by passenger seat electronics. The part to repair is 12400$
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11735660May 4, 2026
ENGINE AND ENGINE COOLING
The contact owns a 2021 INFINITI QX50. The contact stated while operating the vehicle at an undisclosed speed, she stated she heard a loud sound coming from the motor, she pulled over and attempt to restarted the vehicle but it would not turn on. The vehicle was towed where it was diagnosed that the vehicle engine oil had metal shavings in the oil, the vehicle was brought in for regular maintenance and a recall repair. The vehicle engine was replaced under NHTSA Campaign Number: 25V437000 (ENGINE AND ENGINE COOLING) however, after the repair, the issue had reoccurred. The manufacturer was notified of the failure. The failure mileage was 95,193.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11734356April 28, 2026
POWER TRAIN
I am the owner of a 2019 Infiniti QX50, VIN [XXX] , and I am filing this complaint due to repeated, severe mechanical failures that have rendered my vehicle unreliable and unsafe. Since purchasing the vehicle, I have experienced catastrophic failures requiring two complete engine replacements, two turbocharger replacements, and one transmission replacement. My vehicle has spent over one year cumulatively at repair shops, leaving me without transportation and in constant fear for my safety. I am unable to drive this vehicle on the highway or for long distances due to the very real risk of sudden engine stall or failure at speed. I am aware that Nissan has issued Recall 25V-437 acknowledging manufacturing defects in the VC-Turbo engine bearings on the 2019–2022 Infiniti QX50, and I believe my vehicle's repeated failures are directly related to this defect. Despite multiple repair attempts by authorized Infiniti dealerships, the underlying issues have not been resolved. I am requesting that NHTSA investigate this vehicle and pressure Nissan/Infiniti to provide an appropriate remedy, including a full vehicle repurchase or buyback. My family's safety is at risk every time we are forced to drive this vehicle. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11734404April 28, 2026
ENGINE AND ENGINE COOLING
The contact owns a 2019 Infiniti QX50. The contact stated that while driving at an undisclosed speed, there was an abnormally loud sound coming from the vehicle. There was no warning light illuminated. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The vehicle was taken to the dealer, where it was diagnosed with engine failure due to metal shavings found in the oil pan. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact was denied an engine replacement. The dealer informed the contact that the claim was denied due to the vehicle exceeding the warranty mileage and a lack of proper maintenance. The contact provided maintenance records; however, the claim was still denied. The dealer stated that the failure was related to insufficient maintenance and not the recall. The manufacturer was made aware of the failure, and a case was opened. The failure mileage was approximately 135,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

← Back to Infiniti QX50