Smart (Mcc) City vs Smart Roadster: MOT reliability compared
Updated 05 September 2026.
25.6%
Smart Roadster MOT failure rate, 2.9 pts lower than Smart (Mcc) City
Smart Roadster is the more reliable MOT performer: 25.6% of Smart Roadster MOTs fail versus 28.5% for Smart (Mcc) City, a 2.9 point gap.
| Metric | Smart (Mcc) City | Smart Roadster |
|---|---|---|
| MOT failure rate | 28.5% | 25.6% |
| Tests analysed | 325,945 | 77,228 |
| Most common failure | Lamps & electrical (42.6%) | Lamps & electrical (41.7%) |
Questions and answers
Which is more reliable, Smart (Mcc) City or Smart Roadster?
Smart Roadster is the more reliable MOT performer: 25.6% of Smart Roadster MOTs fail versus 28.5% for Smart (Mcc) City, a 2.9 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 Roadster?
25.6% of Smart Roadster MOT tests result in a failure, from 77,228 tests.