Total Complaints
4 filings
LEXUS UX · model year
2021 LEXUS UX
4 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2021LEXUSUX carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2021 UX is tires:tread/belt with 2 filings, followed by air bags (1) and wheels (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 3 investigation files overlapping the 2021 UX. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
4
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| TIRES:TREAD/BELT | 2 |
| AIR BAGS | 1 |
| WHEELS | 1 |
Recent Complaints
20260101WHEELS
I am filing an urgent safety complaint regarding a defective Bridgestone tire on my 2021 Lexus UX250h, purchased new in 2021. At 32,000 miles, the [front left] tire shows abnormal tread tearing and separation, while the other tires show normal wear. This is not consistent with standard aging and indicates a potential defect and not normal wear. My attempts to Resolve it was following Bridgestoneâs warranty process through Lexus and a Bridgestone dealer. Bridgestone dealer inspected the tire and blamed alignment, despite recent alignment and proper rotations done at Discount Tire Center on October 8,2025 and regularly. The wheel alignment did not show any tear. According to Lexus, Bridgestone denied the claim based solely on mileage without addressing abnormal tread separation (pls request Bridgestone response from Lexus). The tire poses serious and immediate safety risk of sudden failure, especially in rain, creating danger of a blowout, loss of control, or vehicle damage. I need t
20250406TIRES:TREAD/BELT
225/50/18 Tires have less that 2000 miles on them and they are pealing at the treads. Literally whole chunks are falling off the tiresâ¦looks like someone has been picking and pulling off pieces of my tires.
20230915TIRES:TREAD/BELT
Tires came new with car in 2021. The two front tires are chunking. Back tires appear to be fine. Car is not out of alignment, has never been in an accident, no off roading or parking on gravel surfaces. Took it to a Lexus dealer and service rep. says he's never seen a car like this. I contacted Bridgestone, they say there are no recalls - call reference number is [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
20230718CrashAIR BAGS
The contact owns a 2021 Lexus UX250. The contact stated that while driving at 40 MPH, he T-boned another vehicle. The air bags failed to deploy. The air bag malfunction warning light was illuminated. The contact did not sustain any injuries. The vehicle was towed to a tow yard. A police report was filed. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 30,000.
Mileage: 30,000
Compare 2021LEXUSUX to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2021 LEXUS UX have?▼
The 2021 LEXUS UX has 4 NHTSA complaints, 1 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2021 LEXUS UX?▼
The most-complained component for the 2021 LEXUS UX is TIRES:TREAD/BELT with 2 complaints. Other frequently reported areas include AIR BAGS and WHEELS.
Is the 2021 LEXUS UX safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.