Lexus RX400H MOT failures and reliability
In 2023 the Lexus RX400H took 7,773 MOT tests in Britain and passed 72% of them first time, close to the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 7,773
- First-time pass rate
- 72%
- All cars
- 71%
What the RX400H fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics12.2% (all cars 11.3%)
- Brakes8.8% (all cars 6.8%)
- Suspension8.5% (all cars 9.0%)
- Tyres5.2% (all cars 6.4%)
- Visibility3.8% (all cars 4.8%)
- Body and structure2.6% (all cars 3.5%)
- Exhaust and emissions1.1% (all cars 3.1%)
- Number plates and VIN0.9% (all cars 0.4%)
Most common failure items
Share of tests on which each item was recorded.
- Position lamp: not working 6.0%
- Wipers: does not clear the windscreen effectively 2.2%
- Tread depth: tread depth below requirements of 1.6mm 2.2%
- Brake pads: less than 1.5 mm thick 1.9%
- Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt 1.8%
- Rbt (sp): efficiency below requirements 1.7%
- Registration plate lamp(s): inoperative in the case of a single lamp or all lamps 1.7%
- Suspension arms, pins and bushes: pin or bush excessively worn 1.4%
Most common advisories
- Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 23.3%
- Tread depth: worn close to legal limit/worn on edge 19.1%
- Brake discs: worn, pitted or scored, but not seriously weakened 15.2%
- Brake pads: wearing thin 7.0%
- Tyres, condition: slightly damaged/cracking or perishing 6.8%
- Sub-frame: corroded but not seriously weakened 5.8%
- Registration plates: deteriorated but not likely to be misread 5.6%
- Shock absorbers: has light misting of oil 5.5%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 2005 | 790 | 67% |
| 2006 | 1,576 | 71% |
| 2007 | 2,270 | 70% |
| 2008 | 2,057 | 73% |
| 2009 | 1,068 | 78% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 14 years | 114,255 miles |
| 15 years | 123,996 miles |
| 16 years | 133,295 miles |
| 17 years | 136,987 miles |
| 18 years | 143,497 miles |
Check a particular RX400H
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Lexus models
- Lexus CT
- Lexus NX
- Lexus IS
- Lexus RX
- Lexus IS250
- Lexus UX
- Lexus RX450H
- Lexus IS200
- Lexus IS220
- Lexus RX300
- Lexus GS
- Lexus GS300
- Lexus RC
- Lexus ES
- Lexus SC430
- Lexus GS450H
- Lexus LS430
- Lexus LS400
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.