2020 Infiniti QX50 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
32 owner complaints analyzed
2 distinct recall campaigns
17,650 mi median reported failure mileage
Scope: 2020 model year. Data snapshot: . 6 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 17 of 32 complaints (53.1%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 5 | 15.6% |
| Transmission and shifting | 2 | 6.3% |
| Braking behavior | 1 | 3.1% |
| Electrical and battery issues | 1 | 3.1% |
| Steering behavior | 1 | 3.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 17 |
| Forward Collision Avoidance: Automatic Emergency Braking | 6 |
| Electrical System | 4 |
| Engine And Engine Cooling | 4 |
| Power Train | 4 |
| Unknown Or Other | 3 |
| Forward Collision Avoidance: Warnings | 2 |
| Service Brakes | 2 |
Engine: 17; Forward Collision Avoidance: Automatic Emergency Braking: 6; Electrical System: 4; Engine And Engine Cooling: 4; Power Train: 4; Unknown Or Other: 3; Forward Collision Avoidance: Warnings: 2; Service Brakes: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 3; 25,000 to 49,999: 1; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (3). 26 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 12 |
| 2026 | 10 |
2020: 1; 2021: 3; 2022: 2; 2023: 1; 2024: 3; 2025: 12; 2026: 10
Pattern summary
Engine leads the component reports. Engine operation appears in 5 complaint narratives. Transmission and shifting appears in 2 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11366795 · 2020-10-28 (October 28, 2020)
CAR ABRUPTLY STALLS WHILE DRIVING. HAS OCCURRED 3 TIMES. DRAMATICALLY INCREASING A CHANCE OF COLLISION. NAVIGATION ALWAYS GETS ME LOST. NAVIGATION AND OTHER SCREEN GOES BLACK AND RESTARTS WHILE DRIVING. AUDIO/RADIO COMES ON WHILE DRIVING ON IT'S OWN WHEN I WANT MUSIC OFF. TOUCH SCREEN APPLICATIONS LIKE CHANGING RADIO STATION, SWITCHING SCREENS DO NOT ALWAYS WORK. AUTO DOOR UNLOCK WITH THE KEYS DO NOT ALWAYS WORK, HAVE TO WAIT MANY TIMES FOR THE FUNCTION TO WORK. MOST IMPORTANT IS THE ABRUPT STALLING THAT JERKS MY BODY FORWARD ITS TERRIFYING!
Owner-reported narrative. 2,000 miles reported. Look up ODI 11366795 at NHTSA ↗
Owner report 11448996 · 2022-01-26 (January 26, 2022)
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 …
Owner-reported narrative. Look up ODI 11448996 at NHTSA ↗
Owner report 11444616 · 2021-12-21 (December 21, 2021)
Day 1 noted car was having issues with irregular RPM's while cruising, and spiking of rpm's during acceleration. while on hwy w/ cruise control activated, "malfunction" warning lit on screen and forward propulsion ceased. had to move car to roadside, turn off engine and turn back on. took to dealership. they inspected vehicle and indicated there were no codes in system and with checks nothing to indicate any issues. they reset computer systems. drove home noting that the issue did not seem to be resolved. Day 2 same issues. Issues with reverse …
Owner-reported narrative. Look up ODI 11444616 at NHTSA ↗
Owner report 11761616 · 2026-09-02 (September 2, 2026)
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 repa…
Owner-reported narrative. 108,000 miles reported. Look up ODI 11761616 at NHTSA ↗
Owner report 11446663 · 2022-01-07 (January 7, 2022)
While driving vehicle, randomly vehicle brakes are applied on their own, causing vehicle to suddenly slow down in traffic. Red warning light appears on the dash. This has occurred 6-7 times over the past 2 years. 3 of the times occurred on the interstate, causing vehicle to drop speed from 60-40 within few seconds. The other 3-4 times have occurred while driving underneath a light rail walk way and an underpass. Most recent incident was 12/25/21 on interstate. I am concerned this will contribute to a car crashing into the rear of my car. I had …
Owner-reported narrative. Look up ODI 11446663 at NHTSA ↗
Owner report 11404257 · 2021-03-22 (March 22, 2021)
-DISPLAY SCREEN COMPLETELY BLACK, BUTTONS WOULD WORK, RADIO WOULD WORK, HEATED SEATS WOULD WORK, AC WOULD WORK BUT ABSOLUTELY NOTHING ON THE SCREEN. I DID NOT BRING THE VEHICLE IN BECAUSE I THOUGHT 'THAT WAS WEIRD' AND IT WOULD JUST GO AWAY. UPON STARTING THE CAR THE NEXT TIME, EVERYTHING WAS NORMAL. -SEVERE CONDENSATION INSIDE VEHICLE WINDOWS. CONDENSATION WAS SO SEVERE THAT WATER WAS ACTUALLY DRIPPING FROM MY WINDSHIELD ONTO THE DASHBOARD AND DRIPPING FROM THE SUNROOF ONTO MY SEAT. -DISPLAY SCREEN BLANK AGAIN EXACTLY THE SAME AS FEB INC…
Owner-reported narrative. 1,569 miles reported. Look up ODI 11404257 at NHTSA ↗
Owner report 11568151 · 2024-01-27 (January 27, 2024)
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…
Owner-reported narrative. Look up ODI 11568151 at NHTSA ↗