2005 Lexus RX400H MOT pass rate: 74.1% (2,065 tests)
Is the 2005 RX400H getting worse?
Pass rate of 2005-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 75.2% +11.0 vs same-age |
|
| 2024 | 75.8% +11.6 vs same-age |
|
| 2025 | 70.9% +5.6 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 2005 RX400H
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Suspension | 466 | 28.8% |
| 2 | Brakes | 404 | 25.0% |
| 3 | Lamps, reflectors and electrical equipment | 312 | 19.3% |
| 4 | Body, chassis, structure | 129 | 8.0% |
| 5 | Tyres | 120 | 7.4% |
| 6 | Visibility | 65 | 4.0% |
All RX400H years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2005 (this page) | 2,065 | 74.1% | +9.6 pts | 145,130 |
| 2006 | 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 2005 Lexus RX400H reliable?
2005-registered examples passed 74.1% of their MOT tests (2,065 tests, 2023–2025), +9.6 points versus all UK cars registered in the same year. At roughly 21 years old with a median 145,130 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2005 RX400H?
The median tested example shows 145,130 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.