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ProblemsByVin Index / 2019-INFINITI-QX50 / COMPLAINTS
Full complaint record · NHTSA

2019 INFINITI QX50 owner complaints

129 complaints filed with NHTSA on this vehicle , including 1 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

engine 10 complaints shown

63 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
12/29/2025 ODI #11707588.0

The contact owns a 2019 Infiniti QX50. The contact stated that the vehicle was taken to the dealer to be serviced for a different issue, and the dealer informed the contact that the VIN was included in NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The dealer advised the contact that the recall repair was on hold due to the fact that the remedy was not yet available. The contact was concerned that the recall remedy information stated that the recall parts were anticipated to be available in the beginning of the 4th Quarter of 2025; however, the parts were still not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. 

12/16/2025 ODI #11705375.0

Infiniti has identified a serious engine problem with the 2019-22 QX-50 which in their own words may cause the car "to crash". recall notice was sent in mid-June 2025 and they still dont have a solution. how is this acceptable? i am afraid to drive the car. where is the compensation??

12/16/2023 ODI #11560420.0

I was driving on the highway and the engine started to make a humming sound I would say. Within the next 3 to 4 miles I started losing forward power, and the noise started to get louder. I was afraid my car was going to die on the highway so I stayed in the far right lane so I could coast into the shoulder if I had to. Thankfully, there was an exit and I was able to get off and pull off onto a street at which point it was a louder knocking sound coming from the engine. I drove another block and the check engine light came on and I was getting less power as I pushed the gas pedal. At that point I parked the car and had it towed for repair. This all happened on October 9, 2023. Later that week, I was told by the dealership that I needed a complete new engine that I had thrown a rod in the en

12/09/2025 98,500 mi Fire ODI #11703905.0

The contact owns a 2019 Infiniti QX50. While the contact's son was driving at an undisclosed speed, the engine seized with several unknown warning lights illuminated. The contact stated there was smoke and fire coming from the engine compartment. In addition, the smell of burning oil and smoke was inside the vehicle. The vehicle was towed to an independent mechanic, where it was diagnosed with engine failure. The contact was informed that the independent mechanic was not an engine expert and recommended that the vehicle be towed to an engine expert. The vehicle was towed to an alternate independent mechanic, where the vehicle was diagnosed with total engine failure. The contact was informed that the engine needed to be replaced. The vehicle was repaired. The engine was replaced with a used

12/03/2025 ODI #11702774.0

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.

11/18/2024 ODI #11625841.0

The engine stopped working. Allowing me to go no faster than 15 miles an hour. The safety issue is you can no longer drive at the speed that you need to drive. especially if you’re on the highway. The problem has been addressed by a dealer. I needed a whole new engine $13,000. The car at 97,000 miles on it. Was well taken care of. No warning signs prior also did not come up on my display Apparently, there are many other 2019 Infiniti QX 50’s that have this issue

11/17/2025 ODI #11699910.0

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The contact was concerned about driving the vehicle. The contact called the local dealer, who confirmed that parts were not yet available after scheduling an appointment. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed that parts were not yet available. The contact had not experienced a failure.

11/06/2025 ODI #11697903.0

Recall was issued in June, 2025. As of today, a remedy has not been available. This is unacceptable as driving the vehicle can result in injury.

11/05/2025 ODI #11697652.0

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (ENGINE AND ENGINE COOLING). However, the part to do the recall repair was not yet available. The contact stated that while driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine. Most recently, while stopped at a traffic light or stop sign, the automatic emergency braking system indicated that the vehicle in front was too close, even though the vehicle was at a safe distance. Several unknown warning lights were illuminated. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The failure mileage was unknown.

11/04/2025 ODI #11697454.0

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure.

other 7 complaints shown

12/30/2025 ODI #11707903.0

While driving on the highway and using the hands free feature on iPhone, I said, Hey Siri, and somehow it made the automatic braking on my 2019 Infiniti Qx50 engage unexpectedly. This is not the first time it has engaged unexpectedly and there are also instances when the sensors engage without anything nearby.

12/18/2021 ODI #11444266.0

After multiple related incidents, I am compelled to make a report. My car just displayed red and white flashing indicators on the dash and automatically screeched to a halt, completely out of my control, in the middle of a busy intersection. Because the road was damp from rain, my car actually skidded. I was not going to hit anything, there was no car or object in front of me. I was driving at about 30 MPH. This has happened repeatedly in parking garages and other low-light scenarios. I have brought the car to the dealer and gotten no answers. At this point I am terrified to drive the car.

12/10/2025 ODI #11704178.0

Car recently had an important safety recall that was suspended, my car is a 2019 QX 50 Infiniti Luxe, that recently shut down and had to be towed, infiniti dealership diagnosed the car and says I have all low compressions and that I need an engine, these symptoms were quoted to my service dealership prior that the car hesitate to take off, low pick up when I accelerate, stops out of nowhere at intersections, I was told car performs as it was designed to perform even tho I explained it has like a growling sound, now here I am with an engine failed vehicle that they are trying to charge me 13,000 for repairs, I am still paying on this car and have a balance of 14,000+ owed, the dealership is saying they performed a recall diagnosis and that no debri was found in oil pan, any mechanic should

12/08/2024 ODI #11629513.0

Driver’s seat will not move forward. Driver cannot reach the pedals. This has been an ongoing/intermitten problem. While the car was under warranty, Infiniti of Ft Myers, FL attempted to fix the problem and eventually replaced the components. The problem was fixed until last spring. When I reported the problem to Nissan last spring, they told me there was nothing they could do. I explained it was a safety issue. They didn’t care. The following day, the seat moved forward on its own so I didn’t pursue it. Yesterday, it happened again and today it did not reset itself. I cannot safely drive my car. In researching this issue, I’ve read that others have had the same issue and Nissan refuses to acknowledge or take responsibility for the problem. What if I were away from home and this happe

12/08/2020 61,000 mi ODI #11378587.0

While driving down a four lane highway at 50 MPH. The car suddenly applies emergency braking when nothing was in front of the car. If another car is behind this vehicle and this happens, there will be a major accident. This has happened on 3 occasions total.

11/21/2022 ODI #11494344.0

On three separate occasions, the collision avoidance system activated without anything blocking it. One incident I was driving at least 35 mph thru and intersection and the car suddenly halted to a complete stop jerking myself and my 6 year old forward. The vehicle behind me had to swerve to avoid rear ending me.

11/12/2025 ODI #11699022.0

2019 Infiniti QX50 Recall Campaign ID: R25B2 (Safety Recall 2025) Summary of Issue: I received a safety recall notice stating that my vehicle may have an engine manufacturing defect that could cause severe damage or complete engine failure. This poses a significant safety risk. Details: Contacted Infiniti Consumer Affairs on August 28, 2025 (Case #55702324) and my local dealer. Dealer confirmed recall is active but remedy is not available; they refused inspection even if I offered to pay. Consumer Affairs indicated proactive assessment may incur charges unless defect is confirmed, which I find unreasonable given the severity of the issue. No timeline provided for remedy or inspection. No alternative transportation offered. Safety Concern: Driving the vehicle under these conditions could

electrical 2 complaints shown

12 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
11/23/2023 ODI #11556569.0

There is a continuous issues with my battery dying. There are multiple malfunction lights showing, particularly the rear collision light. The check engine light is also showing, and I have had an oil change recently. The car breaks on its own. While backing into a space, the steering wheel would not completely turn right until I straightened up the car. Finally. I have had my driver's side car seat repaired three times by the dealership. It works sometimes and not others. Any suggestions on any or all of this would be helpful. Thank you.

11/13/2020 7,000 mi ODI #11374585.0

Tl* the contact owns a 2019 Infiniti qx50. The contact stated while driving at 65 MPH, there was a loud, abnormal popping sound coming from the vehicle. Soon after the popping sound was heard, a bright flashed from the instrument panel. The instrument panel went blank had gone blank with a blue streak across the screen. The contact stated that the vehicle started to decelerate independently. There was also an abnormal odor inside of the vehicle. The contact attempted to open the sun roof however, the sun roof failed to operate as needed. The vehicle was driven to clear lake Infiniti (14705 gulf fwy, houston, tx 77034) where after two weeks, the mechanic was still unable to duplicate the failure. The manufacturer was notified of the failure and a buy back was offered. The vehicle was not re

powertrain 1 complaint shown

11 total in this category · moderate · avg repair $2,500 · see powertrain cluster analysis →
12/03/2024 ODI #11628585.0

Turbo, Rear-Coupler, Engine, Actuator Car was squealing and I was told that the serpentine belt needed to be replaced. Replaced this. Car still squealing and took it back. They replaced the belt, again.. Still squealing, now I am told its the tensioner that needs to be replaced but only Infiniti can do this (belt done at Firestone). At Infiniti - they look at the car and the tensioner is fine. But my turbo is blown. How? So, they replace the turbo and then say the rear coupler needs to be replaced. Repairs done and Infiniti said all fluids are good, everything is great. However, I might see slight smoke and a burning smell for 100-150 miles as theres a thin layer of oil on the turbo that will burn off. Oil change isnt due for 5k miles and I checked before my short road trip - all is goo

Showing 300 of 129 total complaints. The full federal record is available at nhtsa.gov/vehicle/2019/INFINITI/QX50#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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