2006 Lexus RX400H MOT pass rate: 76.7% (4,313 tests)
Is the 2006 RX400H getting worse?
Pass rate of 2006-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 77.9% +13.6 vs same-age |
|
| 2024 | 76.0% +11.8 vs same-age |
|
| 2025 | 76.2% +11.3 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2006 RX400H
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Suspension | 783 | 27.1% |
| 2 | Brakes | 686 | 23.8% |
| 3 | Lamps, reflectors and electrical equipment | 582 | 20.2% |
| 4 | Tyres | 273 | 9.5% |
| 5 | Body, chassis, structure | 250 | 8.7% |
| 6 | Visibility | 119 | 4.1% |
All RX400H years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2005 | 2,065 | 74.1% | +9.6 pts | 145,130 |
| 2006 (this page) | 4,313 | 76.7% | +12.3 pts | 139,256 |
| 2007 | 6,322 | 77.2% | +12.1 pts | 134,901 |
| 2008 | 5,827 | 79.3% | +14.1 pts | 126,092 |
| 2009 | 3,091 | 79.8% | +13.5 pts | 118,064 |
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FAQs
Is a 2006 Lexus RX400H reliable?
2006-registered examples passed 76.7% of their MOT tests (4,313 tests, 2023–2025), +12.3 points versus all UK cars registered in the same year. At roughly 20 years old with a median 139,256 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2006 RX400H?
The median tested example shows 139,256 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.