2021 Infiniti QX50 problems and complaints
Owners have filed 40 complaints with NHTSA about the 2021 Infiniti QX50. The most-reported areas: Engine (18), Electrical System (8), Engine And Engine Cooling (7).
Key takeaways
- 40 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 4 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 18 | 45% |
| Electrical System | 8 | 20% |
| Engine And Engine Cooling | 7 | 18% |
| Forward Collision Avoidance | 7 | 18% |
| Power Train | 4 | 10% |
| Service Brakes | 4 | 10% |
| Unknown Or Other | 3 | 8% |
| Lane Departure | 1 | 3% |
| Structure | 1 | 3% |
| Exterior Lighting | 1 | 3% |
| Vehicle Speed Control | 1 | 3% |
| Fuel/Propulsion System | 1 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Infiniti QX50 SUV AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2021 Infiniti QX50 SUV FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2026-08-31
My 2021 Infiniti QX50 has suffered a catastrophic internal engine failure. This vehicle is explicitly covered under active federal safety recall NHTSA Campaign 25V437000 (Infiniti Campaign R25A8/A9 / R25B1/B2) for defective, failing main and link bearings. The Infiniti dealership is actively refusing to honor the man...
Power Train,electrical System,engine - filed 2026-06-29
On June 16, 2026, a 2021 Infiniti QX50 experienced a safety-related malfunction while being driven at approximately 15–20 mph. The vehicle suddenly jerked, lost power response, displayed multiple warning lights, showed a “System Fault – See Owner’s Manual” message, and became unresponsive/difficult to control. The engi...
Engine And Engine Cooling - filed 2026-06-24
The contact owns a 2021 Infiniti QX50. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from under the hood. No warning light was illuminated. The vehicle was taken to a local dealer, where it was diagnosed and metal shavings were found in the oil pan. Upon further inves...
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More for the 2021 Infiniti QX50
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.