Most common 2020 Infiniti QX50 problems
Share of the 33 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Infiniti QX50 complaints by model year
2020 Infiniti QX50 recalls (2)
Engine and engine cooling › Engine › Hard parts internal/mechanical
Nissan North America, Inc. (Nissan) is recalling certain 2021-2024 Rogue, 2019-2020 Altima, 2019-2022 Infiniti QX50, and 2022 Infiniti QX55 vehicles equipped with 3-cylinder 1.5L or 4-cylinder 2.0L variable compression turbo (VC-Turbo) engines. The engine bearings may have manufacturing defects that can lead to engine failure.
Remedy: Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261 or Infiniti's customer service at…
Equipment › Other › Labels
Nissan North America, Inc. (INFINITI) is recalling certain 2020 INFINITI QX50 vehicles. The text of the Tire and Loading Information placard, including the tire size and loading capacity, may be illegible.
Remedy: INFINITI will notify owners, and dealers will inspect the legibility of and, as necessary, replaced the placard, free of charge. The recall began March 17, 2021.
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2020 Infiniti QX50:
Complete loss of motive power due to engine failure
On December 13, 2023, the Office of Defects Investigation (ODI) opened PE23-023 to investigate allegations of engine failures leading to loss of motive power in model year (MY) 2021-2023 Nissan Rogue; MY 2019-2021 Nissan Altima; and MY 2019-2021 Infiniti QX50 vehicles.
What 2020 Infiniti QX50 owners say
Engine & cooling all 22 →
The contact owns a 2020 Infiniti QX50. The contact stated that while driving 75 MPH, the check engine warning light illuminated, and the RPM became elevated. The vehicle was taken to the dealer, where an unknown recall repair was performed. The contact stated that the engine was replaced. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer where the contact was informed that the failure was associated with the computer system which was not recalibrated after the engine replacement. The vehicle was repaired, but the failure reoccurred. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated and the message "Critical Warning - CVT Hot - Power Reduced" was displayed. In addition, the RPM became elevated, and there was an abnormal odor inside the vehicle. …
The contact owns a 2020 Infiniti QX50. The contact stated that the vehicle was repaired under NHTSA Campaign: 25V437000 (Engine and Engine Cooling) however, other failures occurred. The contact stated that after the vehicle was dropped off by the local dealer, the front passenger's side tire deflated. The vehicle was taken to a local dealer, where it was repaired. The contact stated that the underbody shield of the engine guard had detached, allowing road debris to enter the hood. In addition, the contact stated that while attempting to start the vehicle, the vehicle failed to start as intended, with a rattling sound coming from the engine. The vehicle was towed to a local dealer, where the vehicle was lost and misplaced. The manufacturer was made aware of the failure. The failure mileage was approximately 51,000.
Driver assistance
The contact owns a 2020 Infinity QX50. The contact stated that while driving on the highway at 70 MPH, the vehicle started making an abnormal sound, and the vehicle stopped unintendedly. The contact was grateful that she was not involved in an accident because there was traffic nearby. The contact was able to continue driving the vehicle. No warning lights were illuminated. The vehicle was taken to a local dealer to be diagnosed; however, a cause for the failure was not found. Additionally, the contact stated that the instrument indicated that there was a vehicle nearby erroneously. The contact considered that the failure was caused by a glitch. The manufacturer was not notified of the failure. The approximate failure mileage was 30,000.
Equipped with ProPILOT Assist and Intelligent Cruise Control inclusive of Lane Keep assist, traffic sign recognition, and Direct Adaptive Steering. Vehicle has just under 60,000 miles and still under warranty When in ProPILOT Assist/Intelligent Cruise Control, when hands leave the steering wheel, car failed to give a dash visual warning, sensory warning, or did not take control of the vehicle to bring it to a safe stop. This of course is a serious safety issue if the driver becomes incapacitated to the point of not being able to respond to the warnings. The car could obviously go through intersections without stopping or possibly get off course resulting in collision with other vehicles, structures or people. …
Electrical system
Jan 25,2021 Highway 35 San Antonio Texas Display board lights turned off for a few seconds it made a click sound and the car turned off and turned back on for a few seconds, stalling the car. The automatic break was activated and deactivated at the same time. Trying to stop the car. This is the third time since octubre 2021 that this happens. My safety and the safety of the other drives was at risk, I can't drive this car anymore because it may cause an accident. Approximate a month ago the car stoped in the middle of Stone Oak street in San Antonio Texas. I put the car in reverse and the car started working again. I took the car to the agency I was without a car for Several days because the agency doesn't have a car available for rent. They could not find the problem of the computer glitch. Please the maintenance records for more details.
The vehicle's engine light turned on. The engine light remains on, and frequently the Malfunction and System fault See Owners Manual will display. When the malfunction message appears all the traction lights are also turned on. The RPM's in the vehicle are very accelerated, and it's difficult to drive the vehicle. The vehicle will also produce a very heavy smog smell. I took the vehicle into the retailer several times and nothing was done. The manufacturer is also not taking responsibility and stated the issue is unrelated to the engine bearing recall.
2020 Infiniti QX50 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.0L 4-cyl turbo | CVT | FWD | 23 / 29 / 26 |
| 2.0L 4-cyl turbo | CVT | AWD | 22 / 28 / 25 |
EPA ratings. Class: Small SUV.
Frequently asked questions
Is the 2020 Infiniti QX50 a good car?
Based on 33 owner complaints filed with NHTSA, the 2020 QX50 rates avoid: 3.2× as many complaints as a typical year of the QX50 at the same age. It is one of the QX50 years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2020 Infiniti QX50?
The engine & cooling — 22 complaints, 67% of all complaints for this model year. Next are the driver assistance (8) and electrical system (4).
How many recalls does the 2020 Infiniti QX50 have?
There are 2 recalls for the 2020 Infiniti QX50, the most recent from June 27, 2025 (hard parts internal/mechanical). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Infiniti QX50?
Years to avoid or approach with caution: 2019, 2021, 2020 and 2022. See the full Infiniti QX50 years comparison.
At what mileage do 2020 Infiniti QX50 problems happen?
The median mileage reported in complaints is about 30,000 miles; 67% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.