MOT performance
2017 London Taxis International TX4: MOT pass rate and common failures
Of 2,093 MOT tests on 2017-registered London Taxis International TX4s in 2023–2024 (on average 6 years old at test, median 131,977 miles), 68.0% passed first time, 5.1 points higher than the London Taxis International TX4 overall. Allowing for age, mileage and fuel, 2017 London Taxis International TX4s failed 16% more often than comparable cars.
2,093 MOT tests on 561 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
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| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 68.0% | ±2 pts (95%), n = 2,093 |
| All London Taxis International TX4s | 62.9% | n = 26,655 |
| Failures vs similar cars | 1.16× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 4.8% | n = 2,093 |
| Average age at test | 6 years | n = 2,093 |
Where 2017 London Taxis International TX4s fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Lights, reflectors and electrical | 14.3% | +30% |
| Suspension | 12.6% | +78% |
| Noise, emissions and leaks | 6.0% | +56% |
| Brakes | 5.6% | -7% |
| Driver's view of the road | 4.0% | -4% |
| Tyres | 3.3% | -51% |
| Steering | 2.4% | +69% |
| Body, chassis and structure | 2.1% | -9% |
| Seat belts and airbags | 0.6% | -27% |
| Road wheels | 0.3% | -41% |
| Registration plates and VIN | 0.1% | -60% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Pins and bushes: pin or bush excessively worn | Suspension | 5.02% |
| Malfunction indicator lamp: inoperative or indicates a malfunction | Noise, emissions and leaks | 3.15% |
| Position lamp: not working | Lights, reflectors and electrical | 2.96% |
| Headlamp aim: too low | Lights, reflectors and electrical | 2.68% |
| Coil spring: fractured or broken | Suspension | 2.48% |
Check a specific 2017 London Taxis International TX4
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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.