2021 Lexus Rx: Reliability Data

Source: NHTSA — 87 complaints
87
Total Complaints
AIR BAGS
Top Issue
16
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
47
UNKNOWN OR OTHER
7
SEAT BELTS
4
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
4
SERVICE BRAKES
3
STRUCTURE:BODY
3
ELECTRICAL SYSTEM
3
ENGINE
2
TIRES
1
STEERING
1

Severity Assessment

16
Crashes
0
Fires
15
Injuries
0
Deaths

Sample Complaint Reports

"The drain system failed to properly route water out of the car after heavy rain and an automatic car wash in two separate incidents. The water would leak through the sunroof along the edges and leak down into the passenger side compartment and land on the floor mats."
"I had previously owned a 2018 Lexus RX350L that came with OEM Michelin Premier LTX tires. That car handled very well on rain, snow and ice. I eventually replaced those tires with Continental Crosscontact LX25 that were even better to the point that I woud say they were excellent on snow and ice. Whe..."
"while driving on the interstate the moon roof exploded into little glass fragments. It sound like a bomb going off. if the slider would have been open, it would have been critical for anyone sitting in the back seat There was no other cars around me or in front of me. it was day light and nothing..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28