Reliability & cost of ownership
Lexus Rx400h Reliability & Common Problems
How reliable is the Lexus Rx400h? 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 Rx400h problems by model year
10 recall entries and 271 owner complaints on file across 4 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2008 Rx400h | 1 | 57 | No NCAP test | Reliability forecast → |
| 2007 Rx400h | 3 | 59 | No NCAP test | Reliability forecast → |
| 2006 Rx400h | 5 | 153 | No NCAP test | Reliability forecast → |
| 2005 Rx400h | 1 | 2 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Lexus Rx400h, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- service brakes91 complaints
- vehicle speed control47 complaints
- electrical system42 complaints
- hydraulic32 complaints
- structure27 complaints
- steering23 complaints
- electric20 complaints
- power train17 complaints