London Taxis INT TX4 MOT failures and reliability
In 2023 the London Taxis INT TX4 took 14,493 MOT tests in Britain and passed 63% of them first time, below 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
- 14,493
- First-time pass rate
- 63%
- All cars
- 71%
What the TX4 fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics17.0% (all cars 11.3%)
- Suspension16.4% (all cars 9.0%)
- Brakes10.8% (all cars 6.8%)
- Exhaust and emissions6.2% (all cars 3.1%)
- Steering5.2% (all cars 1.8%)
- Visibility4.9% (all cars 4.8%)
- Body and structure4.4% (all cars 3.5%)
- Tyres3.8% (all cars 6.4%)
Most common failure items
Share of tests on which each item was recorded.
- Suspension arms, pins and bushes: pin or bush excessively worn 6.1%
- Malfunction indicator lamp: inoperative or indicates a malfunction 4.2%
- Rbt (sp): efficiency below requirements 4.0%
- Suspension arms, ball joint: ball joint excessively worn 3.8%
- Position lamp: not working 3.7%
- Coil spring: fractured or broken 3.1%
- Headlamp: not working on dipped beam 2.2%
- Tread depth: tread depth below requirements of 1.6mm 2.2%
Most common advisories
- Engine oil leaks: leak, but not excessive 11.8%
- Tread depth: worn close to legal limit/worn on edge 9.6%
- Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 8.2%
- Rigid brake pipes: corroded, covered in grease or other material 4.5%
- Wheel bearings: has slight play 4.0%
- Brake discs: worn, pitted or scored, but not seriously weakened 3.5%
- Coil spring: corroded 3.3%
- Suspension arms, ball joint: ball joint has slight play 3.3%
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 |
|---|---|---|
| 2007 | 666 | 60% |
| 2008 | 578 | 53% |
| 2009 | 820 | 62% |
| 2010 | 1,185 | 59% |
| 2011 | 1,403 | 61% |
| 2012 | 1,362 | 63% |
| 2013 | 1,269 | 65% |
| 2014 | 2,295 | 61% |
| 2015 | 2,106 | 66% |
| 2016 | 1,655 | 70% |
| 2017 | 1,064 | 68% |
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 |
|---|---|
| 6 years | 122,955 miles |
| 7 years | 144,736 miles |
| 8 years | 165,697 miles |
| 9 years | 189,976 miles |
| 10 years | 208,742 miles |
| 11 years | 230,025 miles |
| 12 years | 257,534 miles |
| 13 years | 287,645 miles |
| 14 years | 278,610 miles |
| 15 years | 278,340 miles |
| 16 years | 286,559 miles |
Check a particular TX4
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
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.