Volvo S40 vs Volvo C30: MOT reliability compared
Updated 05 September 2026.
25.4%
Volvo C30 MOT failure rate, 4.7 pts lower than Volvo S40
Volvo C30 is the more reliable MOT performer: 25.4% of Volvo C30 MOTs fail versus 30.1% for Volvo S40, a 4.7 point gap.
| Metric | Volvo S40 | Volvo C30 |
|---|---|---|
| MOT failure rate | 30.1% | 25.4% |
| Tests analysed | 1,402,999 | 515,866 |
| Most common failure | Lamps & electrical (42.0%) | Lamps & electrical (29.6%) |
Questions and answers
Which is more reliable, Volvo S40 or Volvo C30?
Volvo C30 is the more reliable MOT performer: 25.4% of Volvo C30 MOTs fail versus 30.1% for Volvo S40, a 4.7 point gap.
What is the MOT failure rate of the Volvo S40?
30.1% of Volvo S40 MOT tests result in a failure, from 1,402,999 tests.
What is the MOT failure rate of the Volvo C30?
25.4% of Volvo C30 MOT tests result in a failure, from 515,866 tests.