Pass rate, every year
75.7% Around average
119 tests across 2 model years, 2009–2010.
−5.3 pts vs the national average
London Taxis Int TX4 Silver MOT Pass Rate & Official DVSA Failure Statistics
Best year to buy
2010 77.6%
The strongest of the 2 years on record. See the 2010 page →
Worst year to buy
2009 73.8%
3.8 points below the 2010 peak. See the 2009 page →
The London Taxis Int TX4 Silver MOT pass rate is 75.7%, −5.3 percentage points below the UK average. That is 119 DVSA MOT tests recorded between 2009 and 2010. This page lists the most common London Taxis Int TX4 Silver MOT failures by category, names the best and worst model years, and finishes with a pre-MOT checklist you can run at home.
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London Taxis Int TX4 Silver MOT History and Failure Rates vs UK National Average
The London Taxis Int TX4 Silver passed on its first attempt in 68.1%, and its overall record sits −5.3 percentage points below the national average for all cars. These figures come from every recorded DVSA MOT test for the London Taxis Int TX4 Silver in the 2023–2025 data: 119 tests across 2 model years (2009–2010). A test still carries exactly one pass or fail verdict.
| Measure | This model |
|---|---|
| Tests analysed | 119 |
| Overall pass rate | 75.7% |
| Passed on first attempt | 68.1% |
| Average mileage at test | 256,317 mi |
| Model years covered | 2009–2010 (2 years) |
| Versus UK national average | −5.3 pts below |
Figures are computed from every recorded DVSA test for this model in the 2023–2025 data.
Most Common London Taxis Int TX4 Silver MOT Problems by Failure Category
Every MOT failure a tester records belongs to one inspection section of the DVSA manual. For the London Taxis Int TX4 Silver, the Suspension section leads the record — the breakdown below shows where the recorded failures cluster, then the exact strings behind the three biggest sections.
| Inspection section | Share of failures |
|---|---|
| Suspension | 38% |
| Lamps, reflectors and electrical equipment | 26% |
| Brakes | 21% |
| Steering | 11% |
| Body, chassis, structure | 4% |
Shares are over the London Taxis Int TX4 Silver's recorded defect strings, merged across its year pages.
Suspension
Around 38% of the recorded London Taxis Int TX4 Silver failures fall in the Suspension section of the MOT inspection manual. Testers recorded "Pins and bushes pin or bush excessively worn" (6.7%), "Ball joint excessively worn" (5.9%), "Coil spring fractured or broken" (2.5%) among the London Taxis Int TX4 Silver's suspension faults.
Lamps, reflectors and electrical equipment
Around 26% of the recorded London Taxis Int TX4 Silver failures fall in the Lamps, reflectors and electrical equipment section of the MOT inspection manual. Testers recorded "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" (3.4%), "Headlamp aim too low" (2.5%), "Position lamp not working" (2.5%) among the London Taxis Int TX4 Silver's lamps, reflectors and electrical equipment faults.
Brakes
Around 21% of the recorded London Taxis Int TX4 Silver failures fall in the Brakes section of the MOT inspection manual. Testers recorded "Rbt (sp) efficiency below requirements" (3.4%), "Rigid brake pipes excessively corroded" (3.4%), "Rbt (sp) efficiency less than 50% of the required value" (1.7%) among the London Taxis Int TX4 Silver's brakes faults.
Top Recorded London Taxis Int TX4 Silver DVSA MOT Test Statistics & Defect Descriptions
The descriptions below are the exact DVSA failure strings testers recorded most often for the London Taxis Int TX4 Silver, each with how many of the model's 119 tests it was noted on.
- "Pins and bushes pin or bush excessively worn" (Major) — noted on about 8 London Taxis Int TX4 Silver tests, 6.7% of the model's MOT record.
- "Ball joint excessively worn" (Major) — noted on about 7 London Taxis Int TX4 Silver tests, 5.9% of the model's MOT record.
- "Track rod end ball joint has excessive play" (Major) — noted on about 6 London Taxis Int TX4 Silver tests, 5.0% of the model's MOT record.
- "Rbt (sp) efficiency below requirements" (Major) — noted on about 4 London Taxis Int TX4 Silver tests, 3.4% of the model's MOT record.
- "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" (Minor) — noted on about 4 London Taxis Int TX4 Silver tests, 3.4% of the model's MOT record.
- "Rigid brake pipes excessively corroded" (Major) — noted on about 4 London Taxis Int TX4 Silver tests, 3.4% of the model's MOT record.
Best and Worst London Taxis Int TX4 Silver Model Years by Pass Rate
The strongest London Taxis Int TX4 Silver model year on record is 2010 (77.6% across 58 tests), and the weakest is 2009 (73.8%). The gap between them is 3.8 points. Years with fewer than 50 recorded tests are excluded, so these are the years with enough MOT history to mean something.
| Year | Tests | Pass rate |
|---|---|---|
| 2010 TX4 Silver | 58 | 77.6% |
| 2009 TX4 Silver | 61 | 73.8% |
Newest model year first. Only years with at least 50 recorded tests are listed.
Pre-MOT Inspection Checklist for London Taxis Int TX4 Silver Owners
These checks follow this London Taxis Int TX4 Silver's own most-recorded failure strings, starting with what a tester is most likely to flag on a London Taxis Int TX4 Silver.
-
the suspension joints — “pins and bushes pin or bush excessively worn”
With the car parked on level ground, rock the top of each front wheel in and out while someone watches the suspension arm. Clunks, or rubber boots split and greasy, are what testers record here.
-
the lights — “registration plate lamp(s) inoperative in the case of multiple lamps or light sources”
Switch everything on and walk round the car: both headlamps on dip and main, every indicator, both brake lights, reverse, fog and the two number-plate lamps. A bulb is a few pounds and a five-minute job.
-
the brake pipes — “rigid brake pipes excessively corroded”
Brake pipes run under the car, usually in front of the rear wheels. Flaking or crusty metal is what fails; a light dusting of surface rust does not. Worth asking a garage to look while it is on a ramp.
Derived from the DVSA failure strings testers recorded for the London Taxis Int TX4 Silver. A check that finds nothing means the item is likely fine, not that the test is guaranteed.
Frequently Asked Questions: London Taxis Int TX4 Silver MOT & Reliability
What is the London Taxis Int TX4 Silver MOT pass rate?
75.7% of the 119 recorded London Taxis Int TX4 Silver MOT tests ended in a pass, −5.3 percentage points below the national average. 68.1% of those passed on the first attempt.
Which London Taxis Int TX4 Silver model years pass the MOT most often?
2010 is the strongest London Taxis Int TX4 Silver year on record at 77.6%, while 2009 is the weakest at 73.8%. The year-by-year table below lists every model year with at least 50 recorded tests.
What are the most common London Taxis Int TX4 Silver MOT failures?
The most recorded London Taxis Int TX4 Silver failures are "Pins and bushes pin or bush excessively worn" and "Ball joint excessively worn" — together around 13% of tests, mostly in the Suspension section.