2021 Lexus NX problems
Owners have filed 26 complaints with NHTSA about the 2021 Lexus NX. Wipers, windshield & visibility is the most reported problem area, at 15% of complaints. Next are engine (12%) and fuel system (12%).
At a glance
- Complaints
- 26 filed with NHTSA
- Most reported
- Wipers, windshield & visibility 15% of complaints
- Crashes and fires
- 1 and 3
- Injuries and deaths
- 6 and 0
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%.
What the data shows
Safety-related details: 1 complaint mentions a crash; 3 complaints mention a fire; 6 injuries reported. Its complaints are more severe on average than those of 91% of model years in our database.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 4th most-complained-about out of 8 model years of the Lexus NX with enough data (26 complaints in that window).
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.
Vehicle began exhibiting multiple electrical safety issues around April 2025. EMF (electromagnetic field) levels were measured and found to be excessively high, causing physical discomfort and triggering health concerns for my disabled son and me. We both sought medical attention. Two independent mechanics inspected the vehicle and confirmed it showed signs of water intrusion or exposure to hazardous materials — including corrosion, damage to internal components, and abnormal underbody residue.
The contact owns a 2021 Lexus NX300. The contact stated that while the vehicle was parked, his father heard the car alarm sounding off. The contact went to inspect the vehicle and saw that sunroof glass had shattered. The contact stated that he reviewed the home security footage and observed that the sunroof glass had not been impacted by an object for the sunroof glass to shatter. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 37,718.
The contact owns a 2021 Lexus NX300. The contact stated that while driving at various speeds, the vehicle slowly lost automotive power and decelerated. The contact pulled over to the shoulder of the roadway and restarted the vehicle to continue driving normally. The contact stated that the check engine, traction control, and Service Soon warning lights remained illuminated.