2021 Infiniti Qx50: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2021 Infiniti Qx50? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 31 complaints, with Engine Problems as the top reported area.
2021 Infiniti Qx50 Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 2 2021 Infiniti Qx50 trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.
2021 Infiniti Qx50 Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2021 Infiniti QX50 SUV AWDOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
14.7% rollover risk
Frontal Crash
Side Crash
Rollover
14.7% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2021 Infiniti Qx50 has 31 owner complaints, 1 crash-related complaints, and 2 recall campaigns on record. The most frequently reported component is Engine Problems. NHTSA reliability signal: Severe Issues.
- Make
- Infiniti
- Model
- Qx50
- Model year
- 2021
- NHTSA owner complaints
- 31
- Crash-related complaints
- 1
- Safety recall campaigns
- 2
- Top reported component
- Engine Problems
- Reliability signal
- Severe Issues
- EPA MPG combined
- 26
- EPA MPG city / highway
- 23 / 29
- Fuel type
- Premium Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 4/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Most Common 2021 Infiniti Qx50 Problems
Top owner-reported complaint areas and where they often appear.
Engine Problems
Forward Collision Avoidance: AEB
Electrical Faults
Complaint patterns center on Engine Problems, Forward Collision Avoidance: AEB, Electrical Faults. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2021 Infiniti Qx50?
The 2021 Infiniti Qx50 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2021 Infiniti Qx50
Inspection Focus
- Inspect engine performance and check for any reported issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, AEB, and electrical systems.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect engine performance and check for any reported issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, AEB, and electrical systems.
- Have a mechanic inspect the vehicle before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2021 Infiniti Qx50, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
What the Complaint Data Suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 31 NHTSA complaints for the 2021 INFINITI QX50, the data suggests that engine problems are the most frequently reported issue, followed by forward collision avoidance and electrical faults. However, with only one model year analyzed and a low confidence level, these patterns should be interpreted cautiously.
- Engine problems account for the largest share of complaints among the 2021 model year.
- Forward collision avoidance (AEB) issues are the second most reported component.
- Electrical faults and brake system problems also appear in the complaint data.
- Engine Problems
- Forward Collision Avoidance: AEB
- Electrical Faults
All 2021 Infiniti Qx50 Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2021 Infiniti Qx50. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 19 | — | — | — | |
| Forward Collision Avoidance: AEB | 6 | — | — | — | |
| Electrical Faults | 5 | — | — | — | |
| Brake System | 4 | — | — | — | |
| Transmission / Drivetrain | 3 | 1 | — | — | |
| Uncategorized Issues | 2 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — | |
| Steering Defects | 1 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Infiniti Qx50. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
The front passenger door latch seems to go off and say that the door is open and the alarm goes off in the car so in the middle of the night, the alarm will start ringing and then when driving in the car, it constantly beeps and says the door is open when it’s closed. Sometimes y…
1. The engine is the system that is malfunctioning. There was a recall on my vehicle. I was told to bring the vehicle in for the metal found in oil. Infiniti denied to replace my engine which was stated during the recall that the engine would be replaced. My vehicle was returned …
Dear NHTSA Representative, I am filing a complaint against Infiniti regarding refusal to perform a recall-related engine replacement on my vehicle. Vehicle Information: • Year: 2021 • VIN: [XXX] I brought my vehicle to Grubbs INFINITI in Grapevine, TX for recall service in Au…
On October 29, 2025, my Infiniti QX50 was repaired at Naples Infiniti after the engine under shield detached while driving, ripping off the passenger-side wheel well liner. The technician stated the failure was likely caused by missing bolts from a prior oil change approximately …
My 2021 Infiniti QX50 is subject to Recall 25V437000 for engine bearing defects that can cause engine failure, loss of power, and fire. During the recall inspection, Cerritos Infiniti found metal debris. They first diagnosed this debris as being in the engine oil and recommended …
I proactively brought my Infiniti QX50 to the dealership for inspection due to the recall. The service department found metal in the engine, which they stated is related to a known recall issue. The service department told me that I need an engine replacement, but Infiniti has de…
I took my vehicle into Roswell Infiniti to repair/replace the engine bearings as instructed on the recall notice and as it has been making noises and I have experienced rough driving. The workers did not repair or replace the bearings. And when I reported rough driving and proble…
Vehicle: 2021 Infiniti QX50 VIN: [XXX] Mileage at second failure: 154,282 miles I am reporting a repeat engine failure involving bearing material consistent with a known Infiniti VC-Turbo engine defect. The original engine in my 2021 Infiniti QX50 failed and was replaced with …
The contact owns a 2021 Infiniti QX50. The contact stated that while driving 70 MPH, the vehicle experienced phantom braking. There was an unknown message displayed on the instrument panel. The failure had occurred twice. The vehicle was taken to the dealer, who informed the cont…
Around 530pm At the corner of Briarcliff Rd NE Atlanta Ga and N Druid Hills Rd NE Atlanta GA As I was about to accelerate after the Red Light turned green, my car experienced a significant loss of power. Several warning lights came on, the engine light came on and a warning that…
The contact owns a 2021 Infiniti QX50. The contact stated that the vehicle was taken to a dealer for an oil change; however, the dealer informed the contact that the turbocharger needed to be replaced. The vehicle was repaired; however, while driving at an undisclosed speed, ther…
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 …
I received the recall notice approximately 2 weeks ago, the notice state “parts are anticipated to be available beginning in Q4 2025” so I did not schedule for an inspection. This morning, 09/16/2025, I was unable to accelerate after being stopped at a traffic light. I was able t…
Vehicle Issue Summary – 2021 INFINITI QX50 I purchased a 2021 INFINITI QX50 in March 2024. Recently, I received notice of an active safety recall (NHTSA 25V437) related to the VC-Turbo engine bearings. In addition to the recall alert, I’ve also experienced several concerning symp…
The specific component or system which has failed and or is malfunctioning is unknown due to the fact the manufacturer and dealer were unable to properly diagnose and resolve the issue. The vehicle continues to malfunction, as of 8/28/2025. Beginning [XXX], the vehicle's engine…
The contact owns a 2021 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time …
The contact owns a 2021 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 55 MPH, there was an abnormal sound …
Component or System Failed: Engine failure. The vehicle is available for inspection at Sewell Infinity in Dallas, TX. Safety Risk: The engine failure The loss of acceleration created a serious safety risk. The vehicle was unable to accelerate properly in traffic, which could ha…
While driving on the highway and having no visible vehicle in front of me; my car automatically slams on the breaks and the Emergency Braking system light comes up on the dashboard briefly and then disappears. This has occurred multiple times while driving on highway speeds. It …
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…
Source: NHTSA Complaints Database. Real owner reports for the 2021 Infiniti Qx50.
2021 Infiniti Qx50 Recalls
2 campaignsNHTSA recall campaigns for the 2021 Infiniti Qx50. 2 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2021 Infiniti Qx50 Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2021 Infiniti Qx50 reliable?▾
Severe Issues. NHTSA currently shows 31 owner complaints, 1 crash-related complaints, and 2 recall campaigns for this model year. The 2021 Infiniti Qx50 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2021 Infiniti Qx50?▾
#1: Engine Problems (19 complaints). #2: Forward Collision Avoidance: AEB (6 complaints). #3: Electrical Faults (5 complaints)
At what mileage do problems start on the 2021 Infiniti Qx50?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Infiniti Qx50?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Infiniti Qx50, NHTSA complaints include 1 crash-related reports and 0 fire reports out of 31 total complaints. 1 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2021 Infiniti Qx50 have any recalls?▾
Yes. 2 NHTSA recall campaigns affect the 2021 Infiniti Qx50. A major recall area is SUSPENSION:REAR:AXLE:SPINDLE. 2 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2021 Infiniti Qx50?▾
The 2021 Infiniti Qx50 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Engine Problems during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Infiniti Qx50 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2021 Infiniti Qx50 based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Check the Exact Vehicle History Before You Buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.