Smart (Mcc) City vs Smart Forfour: MOT reliability compared
Updated 05 September 2026.
26.8%
Smart Forfour MOT failure rate, 1.7 pts lower than Smart (Mcc) City
Smart Forfour is the more reliable MOT performer: 26.8% of Smart Forfour MOTs fail versus 28.5% for Smart (Mcc) City, a 1.7 point gap.
| Metric | Smart (Mcc) City | Smart Forfour |
|---|---|---|
| MOT failure rate | 28.5% | 26.8% |
| Tests analysed | 325,945 | 74,542 |
| Most common failure | Lamps & electrical (42.6%) | Lamps & electrical (34.4%) |
Questions and answers
Which is more reliable, Smart (Mcc) City or Smart Forfour?
Smart Forfour is the more reliable MOT performer: 26.8% of Smart Forfour MOTs fail versus 28.5% for Smart (Mcc) City, a 1.7 point gap.
What is the MOT failure rate of the Smart (Mcc) City?
28.5% of Smart (Mcc) City MOT tests result in a failure, from 325,945 tests.
What is the MOT failure rate of the Smart Forfour?
26.8% of Smart Forfour MOT tests result in a failure, from 74,542 tests.