Vehicle Data Hub

2021 Infiniti QX50 problems

NHTSA has received 61 complaints about the 2021 Infiniti QX50, and 41% of them involve engine. After that come forward collision avoidance (15%) and electrical system (13%).

At a glance

Complaints
61 filed with NHTSA
Most reported
Engine 41% of complaints
Crashes and fires
4 and 0
Injuries and deaths
10 and 0
Typical mileage
71,000 miles 10 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Engine 41%
  • Forward collision avoidance 15%
  • Electrical system 13%
  • Brakes 7%
  • Drivetrain & axles 7%
  • Fuel system 3%
  • Cruise control 2%
  • Lane departure 2%
  • Lighting 2%
  • Steering 2%

When problems show up

Complaints by mileage, 2021 Infiniti QX50 Complaints by odometer reading in 20,000-mile steps. The median is about 71,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 2 complaints 40k to 60k miles: 1 complaints 60k to 80k miles: 1 complaints 80k to 100k miles: 3 complaints 100k to 120k miles: 0 complaints 120k to 140k miles: 1 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 1 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 71,000 miles
Based on 10 complaints that include mileage. 40% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles2
40k to 60k miles1
60k to 80k miles1
80k to 100k miles3
100k to 120k miles0
120k to 140k miles1
140k to 160k miles0
160k to 180k miles1
180k to 200k miles0
200k+ miles0

What the data shows

Among the 10 complaints that report mileage, the typical (median) problem appeared at about 71,000 miles.

Safety-related details: 4 complaints mention a crash; 10 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 2nd most-complained-about out of 4 model years of the Infiniti QX50 with enough data (61 complaints in that window). It is also covered by 2 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

The contact owned a 2021 Infiniti QX50. The contact stated that while driving at 25 MPH, he collided with another vehicle on the rear driver's side of the vehicle. As a result, the vehicle was thrust off the roadway, coming to a complete stop after colliding with a pole, and the front passenger side wheel disconnected from the axle. The air bags were deployed. A police report was filed, and injuries were reported. The contact was later treated for various nondescript injuries.

April 2023 CrashInjury

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.

Reported at 4,000 miles, April 2021

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!

June 2021

The contact owns a 2021 Infiniti QX50. The contact stated that while driving at various speeds, attempting to stop, the rear brakes would make an abnormal sound. No warning lights illuminated. The vehicle was taken to a local dealer where it was repaired for NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling) however, the contact was advised that the rear brake pads, rotors, mount, cabin filter, air filter, transmission flush kit, and the back rear passenger side tire balance required immediate attention…

Reported at 32,059 miles, July 2025

The contact owns a 2021 Infiniti QX50. The contact stated that while attempting to start the vehicle, the vehicle failed to start and was inoperable. The check engine warning light was illuminated. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to complete the recall repair was not yet available. The dealer was contacted; however, the vehicle was not diagnosed or repaired.

Reported at 59,000 miles, September 2025

Other model years of the QX50

Best and worst years for the Infiniti QX50