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The Infiniti QX50, manufactured by Nissan’s luxury vehicle division, has been sold in the U.S. since 2016. Its sales have been reasonably consistent, but understandably low since it is marketed as a luxury vehicle.
According to public sales figures for the U.S., they peaked in 2018 at 25,389, dropping to 19,196 in 2021.
Click on other model year to view more problems: 2019
Contents
- 1| NHTSA Complaints for the 2021 Infiniti QX50
- 2| Most Common Problems with the 2021 Infiniti QX50
- 3| 2021 Infiniti QX50 Brake Problems
- 4| 2021 Infiniti QX50 Forward-Collision Avoidance Problems
- 5| 2021 Infiniti QX50 Fuel System Problems
- 6| What to do if your 2021 Infiniti QX50 is a lemon? Your Lemon Rights
- 7| Complaint Data
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NHTSA Complaints for the 2021 Infiniti QX50
| Complaint Category | Number of Complaints |
|---|---|
| Forward Collision Avoidance: Automatic Emergency Braking | |
| Service Brakes | |
| Power Train | |
| Steering | |
| Forward Collision Avoidance: Warnings | |
| Unknown Or Other | |
| Fuel System, Gasoline |
Predictably, the numbers of complaints are also relatively low. For example, the most complaints the National Highway Traffic Safety Administration (NHTSA) has listed relate to the 2019 model. Other years have attracted only 6-7 complaints each. And there are currently just 5 complaints on file for the 2021 model.
But NHTSA isn’t the only complaints platform, and consumer reviews on cars.com suggest that only 77% of drivers recommend the 2021 QX50. Ratings range from 5 stars from those who love the model to 1.9 stars for an owner who claims they bought a lemon.
Also, in addition to complaints to NHTSA, their safety ratings, which are based on crash testing, show that this compact luxury SUV isn’t 100% safe.
While the side crash tests result in 5 stars for all 5 tests, both the front driver and front passenger side frontal crash tests resulted in 4 stars each. The rollover resistance test, which measures the risks of rollover if the driver loses control of the car, also resulted in only 4 stars. According to NHTSA, there is a rollover risk of 15.50%.
Most Common Problems with the 2021 Infiniti QX50
The 5 complaints to NHTSA about the 2021 Infiniti QX50 are varied and report problems with a range of components and systems. Forward-collision avoidance and brake problems top the list followed by fuel system, powertrain, and steering issues. Several complaints mention problems in more than one area.
For the record, there are also 47 manufacturer communications on file with NHTSA that have been sent to dealers. These relate to possible or known faults and malfunctions. Manufacturers are required by law to share these with NHTSA.
2021 Infiniti QX50 Brake Problems
Two complaints specify brake problems. One says that forward-collision avoidance is also affected.
The driver of the car was stationary at a red light when the forward-collision warning and lane assist malfunctions were displayed on the dashboard. The malfunctions recurred the day after the dealer assessed the vehicle.
“I called and said I don’t have time out of my day to drive back and forth for you to not fix my car. He told me to go somewhere else.”
The second dealer said the vehicle needed a new camera. But it wasn’t available and there was no indication of when it would be.
About a month later, the car braked “with nothing in the way on a clear sunny day.” This time, the complainant was told that “this happens all the time, just accelerate. The engineers know it’s a problem. There’s no current fix and you can’t turn it off.” She was told to call customer assurance to open a claim, which she did.
The next day she was told the camera part was in stock. In the meantime, driving home, “the forward-collision sensor blinked” all the way back to her home.
The second complaint was a less usual one and relates to the push-button engine start-stop being close to the driver. It states that it is a safety issue.
“Twice now, while traveling at highway speeds, the vehicle engine has stopped when my dog taps on the switch. I usually secure my dog while traveling with him, but there are occasions when his seat belt needs to be released, usually due to him getting tangled up.”
The dealer’s agent told her she must “fashion some sort of cover for the button.”
2021 Infiniti QX50 Forward-Collision Avoidance Problems
We’ve already mentioned one of the two forward-collision avoidance problems. The second one also seems to involve a brake problem. It may also be a software issue.
The first incident happened on a clear day. There was no traffic and no debris on the road. The car was traveling at approximately 45 mph when a master warning light appeared on the dashboard with an accompanying warning signal. At the same time, the emergency braking system stopped the car.
“As quickly as it started, the warning and braking ceased and left me stunned and terrified. Had I been in traffic or on a highway, I am quite certain that I would have been rear-ended. Luckily, that was not my fate yesterday but this defect is serious and dangerous. I have contacted the dealer and dealer service department. The service department informed me that they could inspect the vehicle in 4 weeks.
“The dealer said that there are multiple computers in the vehicle and that computers can be glitchy. This vehicle has had multiple computer issues since I first leased the car starting approximately 5 months into my lease. I have received a malfunction warning on numerous occasions and have had it in for service where they told me that they inspected the vehicle and all systems seemed to be working fine even though I showed them multiple pictures of the warning. The dealer told me that I should disregard the warning and that customers complain about it often but that it just indicates that there is snow, ice, or debris covering the sensors. This is not consistent with my experience.”
2021 Infiniti QX50 Fuel System Problems
The complaint that focuses on the “fuel system, gasoline” refers to a malfunction that the manufacturer was aware of but was unable to remedy. The problem started with “an abnormal gasoline odor” in the garage where an SUV with about 4,000 miles on the clock was parked. The dealer diagnosed “that the vacuum lines which drained the fumes were designed incorrectly.”
The vehicle owner reports that “the manufacturer was aware of the issue and the engineers were working on a remedy.” Dealers would be notified when a remedy was available.
This complaint was made in April 2021. Five months later, in September 2021, Nissan notified dealers about the issue. It advises what to do if a “fuel and/or oil smell is present when the vehicle is parked in a closed garage.” It also states that there may not be any fuel, oil, or EVAP (evaporative emissions control systems) leaks evident.
Dealers must, “Replace the rocker cover assembly and the PCV separator with those listed in the PARTS INFORMATION, and eliminate PCV hose 2.”
Presumably, there were other complaints about this issue. There is no indication in the NHTSA file whether the complainant’s problem was rectified or resolved.
What to do if your 2021 Infiniti QX50 is a lemon? Your Lemon Rights
If you have problems that recur, this may indicate that you bought a lemon. Your problems may be the same or similar to those described here, but they may be completely different.
If you think that you have a lemon, call the Lemberg Law Helpline and we’ll assess how we can help. We are lemon law experts and have negotiated many deals for clients who want to get rid of their lemons. These range from refunds, trade-ins, and replacement vehicles to buy-backs and simple cash settlements.
The law says Nissan must pay the legal fees of lemon law cases, not you. So you have nothing to lose and everything to gain.
Complaint Data
| Category | Forward Collision Avoidance: Automatic Emergency Braking |
| Date | Mar 23, 2022 |
| State | NY |
| Description | while driving on a clear day with no traffic in front of me or debris on the road at approximately 45 mph, a master warning light appeared on my dash with an accompanying warning signal and simultaneously the emergency braking system engaged and brought my vehicle to a sudden stop. As quickly as it started, the warning and braking ceased and left me stunned and terrified. Had I been in traffic or on a highway, I am quite certain that I would have been rear-ended. Luckily, that was not my fate yesterday but this defect is serious and dangerous. I have contacted the dealer and dealer service department. The service department informed me that they could inspect the vehicle in 4 weeks. The dealer said that there are multiple computers in the vehicle and that computers can be glichy. This vehicle has had multiple computer issues since I first leased the car starting approximately 5 months into my lease. I have received a malfunction warning on numerous occasions and have had it in for service where they told me that they inspected the vehicle and all systems seemed to be working fine even though I showed them multiple pictures of the warning. The dealer told me that I should disregard the warning and that customers complain about it often but that it just indicates that there is snow, ice or debris covering the sensors. This is not consistent with my experience. |
| Category | Power Train, Service Brakes, Steering |
| Date | Feb 22, 2022 |
| State | KS |
| Description | This vehicle is equipped with a push button to start and stop the vehicle engine. The button is mounted horizontally next to the gear selector switch near the driver. Twice now, while traveling at highway speeds, the vehicle engine has stopped when my dog taps on the switch. I usually secure my dog while traveling with him, but there are occasions when his seat belt needs to be released, usually due to him getting tangled up. If you own a dog than you know that he will tend to want to climb on top of you as soon as he is released from his leash, so putting the button in that position represents a pretty significant safety issue for me. I have called and reported this to infiniti, and the agent told me I needed to fashion some sort of cover for the button, and ask my dealer if there is a software solution. |
| Category | Forward Collision Avoidance: Automatic Emergency Braking, Forward Collision Avoidance: Warnings, Service Brakes |
| Date | Aug 12, 2021 |
| State | PA |
| Description | Picked up the car on 5/25, on 6/4 sitting at a red light, forward collision warning and lane assist malfunctions showed up on dashboard. Called faulkner willow grove where my company leased the car, the set up an appt on 6/17. The next day, 6/18 both malfunctions came back, I called and said I don't have time out of my day to drive back and forth for you to not fix my car, he told me to go somewhere else and found holman infiniti, they scheduled me on 6/25, they found I needed a new camera but the part was on a national backorder no eta. On 7/6 my car auto breaked with nothing in the way on a clear sunny day, called holman they told me this happens all the time just accelerate, the engineers know its a problem, there's not current fix and you can't turn it off and he told me to call customer assurance to open a claim which I did, on 7/7 customer assurance called me back assigned me a case manager, on 7/8 holman told me my camera part was in stock, scheduled an appt on 7/15, on 7/18 the forward collision sensor blinked the entire drive home. |
| Category | Unknown Or Other |
| Date | Jul 27, 2021 |
| State | NV |
| Description | There was a problem with safety recall a week after I took the vehicle test! I went to the dealer in las vegas many times, but they didn't find the mistake, they told me that the car was in order! There are no warning lights on the dashboard! Everything seems fine, but I don't know why he still writes it safety recall, don't clear this and why no one can clear this and help me! |
| Category | Fuel System, Gasoline |
| Date | May 03, 2021 |
| State | MI |
| Description | Tl* the contact owns a 2021 infiniti qx50. The contact stated while the vehicle was parked inside the garage, he detected an abnormal gasoline odor. Suburban infiniti of novi (24355 haggerty rd, novi, mi 48375) was made aware of the failure and diagnosed that the vacuum lines which drained the fumes were designed incorrectly. The vehicle was not repaired. The manufacturer was made aware of the failure and the contact was informed that the manufacturer was aware of the issue and the engineers were working on a remedy and dealers would be made aware when the remedy was available. The approximate failure mileage was 4,000. |
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About the Author:
Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.
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