Most reliable London: MOT failure rates ranked
Updated 05 September 2026.
27.0%
London Taxis Int Tx4, the most reliable London
The most reliable London on MOT failure rate is the London Taxis Int Tx4, at 27.0% failures across 336,526 tests.
| Rank | Model | MOT failure rate | Tests |
|---|---|---|---|
| 1 | London Taxis Int Tx4 | 27.0% | 336,526 |
| 2 | London Taxis Int Tx | 29.6% | 169,095 |
| 3 | London Taxis Int Tx1 | 32.7% | 119,209 |
Questions and answers
What is the most reliable London at MOT?
The most reliable London on MOT failure rate is the London Taxis Int Tx4, at 27.0% failures across 336,526 tests.
Which London fails its MOT most often?
The London Taxis Int Tx1 has the highest MOT failure rate of the London range, at 32.7%.