London Taxis Int Tx4 vs London Taxis Int Tx1: MOT reliability compared
Updated 05 September 2026.
27.0%
London Taxis Int Tx4 MOT failure rate, 5.7 pts lower than London Taxis Int Tx1
London Taxis Int Tx4 is the more reliable MOT performer: 27.0% of London Taxis Int Tx4 MOTs fail versus 32.7% for London Taxis Int Tx1, a 5.7 point gap.
| Metric | London Taxis Int Tx4 | London Taxis Int Tx1 |
|---|---|---|
| MOT failure rate | 27.0% | 32.7% |
| Tests analysed | 336,526 | 119,209 |
| Most common failure | Suspension (44.9%) | Suspension (46.9%) |
Questions and answers
Which is more reliable, London Taxis Int Tx4 or London Taxis Int Tx1?
London Taxis Int Tx4 is the more reliable MOT performer: 27.0% of London Taxis Int Tx4 MOTs fail versus 32.7% for London Taxis Int Tx1, a 5.7 point gap.
What is the MOT failure rate of the London Taxis Int Tx4?
27.0% of London Taxis Int Tx4 MOT tests result in a failure, from 336,526 tests.
What is the MOT failure rate of the London Taxis Int Tx1?
32.7% of London Taxis Int Tx1 MOT tests result in a failure, from 119,209 tests.