repaired · 2026 Q3
Engine: hard parts internal/mechanical
Risk. Engine failure increases the risk of a crash.
2021 Infiniti QX50Problems, recalls & complaints
NHTSA has logged 41 owner complaints about the 2021 Infiniti QX50, most often about the engine. It is covered by 2 safety recalls, and for recall 25V-437 the manufacturer reports only 73% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 6, 2026. Updated daily.
Complaints by system
Where the 2021 Infiniti QX50 has problems
41 complaints grouped by the system owners reported.
18Engine1 crash/fire/injury
8Forward collision avoidance
8Electrical system1 crash/fire/injury
7Engine and engine cooling
4Service brakes
4Power train2 crash/fire/injury
1Vehicle speed control
1Wheels
1Exterior lighting
55 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 18 | 1 |
| Forward collision avoidance | 8 | 0 |
| Electrical system | 8 | 1 |
| Engine and engine cooling | 7 | 0 |
| Service brakes | 4 | 0 |
| Power train | 4 | 2 |
| Vehicle speed control | 1 | 0 |
| Wheels | 1 | 0 |
| Exterior lighting | 1 | 0 |
| 5 other systems | 5 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2021 Infiniti QX50 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q2
Spindle: arm
Risk. The steering knuckle or rear axle could deform upon impact, such as from hitting a curb, resulting in a loss of steering control, or possible wheel separation.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Infiniti.
Best & worst years
2021 vs. every other QX50 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the QX50 median. How we score
'16'17'19'20'21'22'23'24'25
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2021 Infiniti QX50 safety ratings
2021 Infiniti QX50 SUV AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 4 stars (14.7% risk)
- Stability control: Standard
- Forward collision warning: Standard
- Lane departure warning: Standard
1 investigation
NHTSA defect investigations
Federal investigations that included the 2021 Infiniti QX50, and the recalls they led to.
- Complete loss of motive power due to engine failureLed to recall 25V-437
In owners' words
What QX50 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
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…
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…
There is an active and unremedied safety recall on my 2021 Infiniti QX50 (NHTSA Recall #25V-437) for a critical engine defect that can result in complete engine failure and risk of fire. The recall was issued on June 26, 2025. I am an active-duty military member stationed in Germany. I shipped my…
Own a 2021 QX50?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.