London Taxis Int TX4 MOT reliability

London Taxis Int TX4s passed their MOT first time 67% of the time across 10,494 tests in 2025.

First-time pass rate

67%

MOTs analysed

10,494

Still licensed (GB)

–

Body type

–

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age.

In detail:

First registered

2014 diesel

2,152 MOTs

Passed first time 64%. Typical mileage 223,462 (most between 187,028 and 260,187).

2014: 98% → 2015: 75% → 2016: 68% → 2017: 63% → 2018: 60% → 2019: 58% → 2020: 61% → 2021: 60% → 2022: 59% → 2023: 62% → 2024: 60% → 2025: 64%

Most common failures

Pins and bushes: pin or bush excessively worn (8.2%)
Position lamp: not working (4.5%)
Malfunction indicator lamp: inoperative or indicates a malfunction (3.6%)
Ball joint excessively worn (3.5%)
Headlamp: not working on dipped beam (3.1%)

2014 lpg

13 MOTs

These figures come from only 13 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 54%. Typical mileage 238,409 (most between 213,947 and 266,393).

2020: 60% → 2021: 100% → 2022: 60% → 2023: 42% → 2024: 60% → 2025: 54%

Most common failures

Ball joint excessively worn (15.4%)
Headlamp aim: too low (15.4%)
Rbt (sp): efficiency below requirements (15.4%)
Washers: provides insufficient washer liquid (7.7%)
Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength (7.7%)

2014 gb

6 MOTs

These figures come from only 6 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 67%. Typical mileage 261,004 (most between 211,088 and 272,328).

2021: 100% → 2022: 33% → 2023: 67% → 2024: 67% → 2025: 67%

Most common failures

Registration plate lamp(s): inoperative in the case of a single lamp or all lamps (16.7%)
Steering column: has excessive movement up and down (16.7%)
Service brake performance: excessively binding (16.7%)
Washers: not working (16.7%)
Service brake performance: efficiency below requirements (16.7%)

2014 petrol

1 MOT

These figures come from only 1 MOT test. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 100%. Typical mileage 249,100 (most between 249,100 and 249,100).

2022: 100% → 2023: 100% → 2024: 100% → 2025: 100%

Most common failures

Where 2014 TX4s fail

Lights & electrics

19.1%

Suspension & axles

15.8%

Brakes

9.1%

Visibility & wipers

6.8%

Exhaust, emissions & leaks

6.3%

Body, structure & corrosion

3.8%

Wheels & tyres

3.4%

Steering

3.2%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.