Reliability & cost of ownership
Lexus RX450H Reliability & Common Problems
How reliable is the Lexus RX450H? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Lexus RX450H problems by model year
71 owner complaints on file across 12 model years, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for those years — check the VIN at nhtsa.gov/recalls.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2023 RX450H | Not confirmed | 1 | No overall rating on file | Recalls & complaints → |
| 2020 RX450H | Not confirmed | 2 | No overall rating on file | Recalls & complaints → |
| 2019 RX450H | Not confirmed | 3 | 5.0 | Recalls & complaints → |
| 2018 RX450H | Not confirmed | 3 | 5.0 | Recalls & complaints → |
| 2017 RX450H | Not confirmed | 10 | 4.5 | AI reliability outlook → |
| 2016 RX450H | Not confirmed | 7 | No overall rating on file | Recalls & complaints → |
| 2015 RX450H | Not confirmed | 5 | 4.5 | Recalls & complaints → |
| 2014 RX450H | Not confirmed | 2 | 4.5 | Recalls & complaints → |
| 2013 RX450H | Not confirmed | 12 | 4.5 | AI reliability outlook → |
| 2012 RX450H | Not confirmed | 3 | 4.0 | Recalls & complaints → |
| 2011 RX450H | Not confirmed | 10 | 4.0 | AI reliability outlook → |
| 2010 RX450H | Not confirmed | 13 | No overall rating on file | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Lexus RX450H, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- service brakes17 complaints
- electrical system15 complaints
- engine13 complaints
- unknown or other12 complaints
- air bags9 complaints
- vehicle speed control5 complaints
- fuel/propulsion system4 complaints
- power train4 complaints