Know Your MOT

Smart City vs Smart (Mcc) Cabriolet: MOT reliability compared

Updated 05 September 2026.

27.3%
Smart (Mcc) Cabriolet MOT failure rate, 0.2 pts lower than Smart City

Smart (Mcc) Cabriolet is the more reliable MOT performer: 27.3% of Smart (Mcc) Cabriolet MOTs fail versus 27.5% for Smart City, a 0.2 point gap.

MetricSmart CitySmart (Mcc) Cabriolet
MOT failure rate27.5%27.3%
Tests analysed45,42938,430
Most common failureLamps & electrical (41.8%)Lamps & electrical (41.1%)

Questions and answers

Which is more reliable, Smart City or Smart (Mcc) Cabriolet?

Smart (Mcc) Cabriolet is the more reliable MOT performer: 27.3% of Smart (Mcc) Cabriolet MOTs fail versus 27.5% for Smart City, a 0.2 point gap.

What is the MOT failure rate of the Smart City?

27.5% of Smart City MOT tests result in a failure, from 45,429 tests.

What is the MOT failure rate of the Smart (Mcc) Cabriolet?

27.3% of Smart (Mcc) Cabriolet MOT tests result in a failure, from 38,430 tests.

Compared here

Smart City common MOT failures and failure rateSmart (Mcc) Cabriolet common MOT failures and failure rate