Tesla Model S vs Tesla Model Y: MOT reliability compared
Updated 05 September 2026.
14.0%
Tesla Model Y MOT failure rate, 0.8 pts lower than Tesla Model S
Tesla Model Y is the more reliable MOT performer: 14.0% of Tesla Model Y MOTs fail versus 14.8% for Tesla Model S, a 0.8 point gap.
| Metric | Tesla Model S | Tesla Model Y |
|---|---|---|
| MOT failure rate | 14.8% | 14.0% |
| Tests analysed | 81,082 | 79,502 |
| Most common failure | Tyres (49.6%) | Tyres (71.6%) |
Questions and answers
Which is more reliable, Tesla Model S or Tesla Model Y?
Tesla Model Y is the more reliable MOT performer: 14.0% of Tesla Model Y MOTs fail versus 14.8% for Tesla Model S, a 0.8 point gap.
What is the MOT failure rate of the Tesla Model S?
14.8% of Tesla Model S MOT tests result in a failure, from 81,082 tests.
What is the MOT failure rate of the Tesla Model Y?
14.0% of Tesla Model Y MOT tests result in a failure, from 79,502 tests.