London Taxis Int Tx4
From 18,139 MOT tests. Below average for its class.
Common MOT failure categories
Pass rate by registration year
Pass rate by fuel type
What goes wrong?
The most common MOT failure reasons are a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements and parking brake efficiency below minimum requirement. The top issue, a suspension pin, bush or joint excessively worn, caused 2,127 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a suspension pin, bush or joint excessively worn | 2,127 |
| the aim of a headlamp is not within limits laid down in the requirements | 549 |
| parking brake efficiency below minimum requirement | 420 |
| a suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 372 |
| lamp emitted colour, position or intensity not in accordance with the requirements | 319 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 282 |
| a shock absorber bush excessively worn | 278 |
| engine mil illuminated indicating a malfunction | 277 |
| tyre tread depth not in accordance with the requirements | 252 |
| a steering ball joint with excessive wear or free play | 249 |
How serious are these failures?
Not all MOT failures are equal. 54.6% of Tx4 failures are safety items (worn brakes, tyre damage, steering play). The car still drives, but you shouldn't. Only 5.4% are the kind that would actually strand you. When it does fail, the average repair bill is around £126.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2017 | 70% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2016 | 71.1% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2015 | 68.1% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2014 | 63.2% | a suspension pin, bush or joint excessively worn, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc |
7 earlier years
| 2013 | 65.4% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2012 | 73% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2011 | 71.2% | a suspension pin, bush or joint excessively worn, body, cab or chassis excessively corroded at a mounting point |
| 2010 | 67.8% | a suspension pin, bush or joint excessively worn, body, cab or chassis excessively corroded at a mounting point |
| 2009 | 68.6% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2008 | 70.3% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
| 2007 | 70.2% | a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements |
Typical mileage
Half of all Tx4s tested had between 157,125 and 229,892 miles on the clock. A significant number are high-mileage vehicles.
At 187,154 median miles, the Tx4 has 0.017 failures per 10,000 miles driven.
Common questions
What is the London Taxis Int Tx4 MOT pass rate?
The London Taxis Int Tx4 has a 67.9% MOT pass rate based on 18,139 real MOT tests. This is below the national average.
What are common MOT failures on a London Taxis Int Tx4?
The most common MOT failure on the London Taxis Int Tx4 is a suspension pin, bush or joint excessively worn, which caused 2,127 failures. Other common issues include the aim of a headlamp is not within limits laid down in the requirements.
What is the typical mileage of a London Taxis Int Tx4 at MOT?
The median mileage at MOT for a London Taxis Int Tx4 is 187,154 miles. The middle 50% of vehicles tested have between 157,125 and 229,892 miles.
Buying a used Tx4?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
With a 67.9% pass rate and an average repair bill of £126 when things go wrong, budget accordingly.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.