How reliable is the Lexus Rx400h?
Owner-reported reliability data: inspection results, typical mileage, and the most common failures.
The Lexus Rx400h passes first-time inspections at roughly the European average. The most commonly reported issues are a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, tyre tread depth not in accordance with the requirements. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.
Average reliability
Based on 5,518 inspection tests. First-time pass rate: 77.6%.
Lexus Rx400h reliability by year
How the Lexus Rx400h performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.
| Year cohort | Pass rate | Typical mileage @ 5 yrs |
|---|---|---|
| 2005 | 75.8% | – |
| 2006 | 77.4% | – |
| 2007 | 77.6% | – |
| 2008 | 80.1% | – |
| 2009 | 80.6% | – |
Model-level pattern, not per-car prediction
These figures describe the Lexus Rx400h as a model. The reliability of any individual Lexus Rx400h also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.
Frequently asked questions
Is the Lexus Rx400h reliable?
Based on owner-reported inspection records, the Lexus Rx400h passes first-time inspections at roughly the European average. Its first-time inspection pass rate sits around 78%. Reliability varies by year and engine: see the year-by-year breakdown on this page for the specific cohort you're considering.
What are the common problems on the Lexus Rx400h?
The most common owner-reported issues are: A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning (3.9% of inspections); A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps (1.6% of inspections); Tyre tread depth not in accordance with the requirements (1.4% of inspections); A suspension joint dust cover missing or no longer prevents the ingress of dirt etc (1.2% of inspections); A suspension pin, bush or joint excessively worn (1% of inspections).
What mileage is normal for a Lexus Rx400h?
For a typical Lexus Rx400h, owner-reported average mileage works out to about – at 3 years, – at 5 years, and – at 10 years. The mileage section on this page shows the full distribution, high-use vs low-use cars often differ by a factor of three.
How do I check a specific Lexus Rx400h before buying?
Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car, model-level reliability tells you the pattern, the VIN check tells you the car.