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 — then open the year you're shopping for a full reliability and repair-cost forecast.
Lexus Rx450h problems by model year
2 recall entries and 71 owner complaints on file across 12 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2023 Rx450h | 0 | 1 | No NCAP test | Reliability forecast → |
| 2020 Rx450h | 0 | 2 | No NCAP test | Reliability forecast → |
| 2019 Rx450h | 0 | 3 | 5.0 | Reliability forecast → |
| 2018 Rx450h | 0 | 3 | 5.0 | Reliability forecast → |
| 2017 Rx450h | 0 | 10 | 4.5 | Reliability forecast → |
| 2016 Rx450h | 2 | 7 | No NCAP test | Reliability forecast → |
| 2015 Rx450h | 0 | 5 | 4.5 | Reliability forecast → |
| 2014 Rx450h | 0 | 2 | 4.5 | Reliability forecast → |
| 2013 Rx450h | 0 | 12 | 4.5 | Reliability forecast → |
| 2012 Rx450h | 0 | 3 | 4.0 | Reliability forecast → |
| 2011 Rx450h | 0 | 10 | 4.0 | Reliability forecast → |
| 2010 Rx450h | 0 | 13 | No NCAP test | Reliability forecast → |
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 brakes19 complaints
- electrical system15 complaints
- engine13 complaints
- unknown or other12 complaints
- air bags9 complaints
- vehicle speed control5 complaints
- fuel/propulsion system4 complaints
- power train4 complaints