Know Your MOT

Smart Fortwo vs Smart City: MOT reliability compared

Updated 05 September 2026.

22.1%
Smart Fortwo MOT failure rate, 5.4 pts lower than Smart City

Smart Fortwo is the more reliable MOT performer: 22.1% of Smart Fortwo MOTs fail versus 27.5% for Smart City, a 5.4 point gap.

MetricSmart FortwoSmart City
MOT failure rate22.1%27.5%
Tests analysed132,20845,429
Most common failureLamps & electrical (27.6%)Lamps & electrical (41.8%)

Questions and answers

Which is more reliable, Smart Fortwo or Smart City?

Smart Fortwo is the more reliable MOT performer: 22.1% of Smart Fortwo MOTs fail versus 27.5% for Smart City, a 5.4 point gap.

What is the MOT failure rate of the Smart Fortwo?

22.1% of Smart Fortwo MOT tests result in a failure, from 132,208 tests.

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.

Compared here

Smart Fortwo common MOT failures and failure rateSmart City common MOT failures and failure rate