2021 Infiniti QX50 problems and complaints
Owners have filed 41 complaints with NHTSA about the 2021 Infiniti QX50. The most-reported areas: Engine (18), Forward Collision Avoidance (8), Electrical System (8).
Key takeaways
- 41 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 | 44% |
| Forward Collision Avoidance | 8 | 20% |
| Electrical System | 8 | 20% |
| Engine And Engine Cooling | 7 | 17% |
| Power Train | 4 | 10% |
| Service Brakes | 4 | 10% |
| Unknown Or Other | 3 | 7% |
| Lane Departure | 1 | 2% |
| Structure | 1 | 2% |
| Exterior Lighting | 1 | 2% |
| Vehicle Speed Control | 1 | 2% |
| Fuel/Propulsion System | 1 | 2% |
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.
Forward Collision Avoidance - filed 2026-10-06
My wife was driving her fancy little car at night, and when she reached the halfway point (in the middle of an intersection), the ADAS apparently detected something that wasn't there and the car slammed on its brakes, putting her and other drivers at risk of a collision. She said there were all kinds of lights on the...
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...
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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.