Lexus LS400 MOT failures and reliability

In 2023 the Lexus LS400 took 1,019 MOT tests in Britain and passed 74% 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

1,019

First-time pass rate

74%

All cars

71%

What the LS400 fails on

Share of tests with at least one failure in each area, against the figure for all cars.

• Suspension9.8% (all cars 9.0%)
• Lights and electrics9.5% (all cars 11.3%)
• Brakes7.8% (all cars 6.8%)
• Exhaust and emissions5.1% (all cars 3.1%)
• Body and structure4.2% (all cars 3.5%)
• Tyres3.9% (all cars 6.4%)
• Visibility3.6% (all cars 4.8%)
• Steering1.5% (all cars 1.8%)

Most common failure items

Share of tests on which each item was recorded.

1. Suspension arms, ball joint: ball joint excessively worn 3.0%
2. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits 2.9%
3. Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength 2.5%
4. Coil spring: fractured or broken 2.5%
5. Position lamp: not working 2.5%
6. Rigid brake pipes: excessively corroded 2.2%
7. Headlamp aim: too high 2.1%
8. Wipers: does not clear the windscreen effectively 1.9%

Most common advisories

1. Tread depth: worn close to legal limit/worn on edge 15.2%
2. Engine oil leaks: leak, but not excessive 11.6%
3. Rigid brake pipes: corroded, covered in grease or other material 10.9%
4. Exhaust system: has a minor leak of exhaust gases 9.5%
5. Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 9.4%
6. Suspension arms, ball joint: ball joint has slight play 8.7%
7. Brake discs: worn, pitted or scored, but not seriously weakened 8.2%
8. Sub-frame: corroded but not seriously weakened 7.8%

Check a particular LS400

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 RX400H
• Lexus UX
• Lexus RX450H
• Lexus IS200
• Lexus IS220
• Lexus RX300
• Lexus GS
• Lexus GS300
• Lexus RC
• Lexus ES
• Lexus SC430
• Lexus GS450H
• Lexus LS430

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.