Jaguar S-Type vs Jaguar Xj: MOT reliability compared
Updated 05 September 2026.
23.3%
Jaguar Xj MOT failure rate, 2.2 pts lower than Jaguar S-Type
Jaguar Xj is the more reliable MOT performer: 23.3% of Jaguar Xj MOTs fail versus 25.5% for Jaguar S-Type, a 2.2 point gap.
| Metric | Jaguar S-Type | Jaguar Xj |
|---|---|---|
| MOT failure rate | 25.5% | 23.3% |
| Tests analysed | 945,090 | 912,161 |
| Most common failure | Suspension (36.2%) | Lamps & electrical (28.7%) |
Questions and answers
Which is more reliable, Jaguar S-Type or Jaguar Xj?
Jaguar Xj is the more reliable MOT performer: 23.3% of Jaguar Xj MOTs fail versus 25.5% for Jaguar S-Type, a 2.2 point gap.
What is the MOT failure rate of the Jaguar S-Type?
25.5% of Jaguar S-Type MOT tests result in a failure, from 945,090 tests.
What is the MOT failure rate of the Jaguar Xj?
23.3% of Jaguar Xj MOT tests result in a failure, from 912,161 tests.