# Smart Roadster MOT reliability: pass rate and common failures | RegFlags

The Smart Roadster passes its MOT first time 70% of the time, from 1,507 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 70%
- MOT tests analysed: 1,507 (DVSA anonymised MOT data, 2025)
- Most common failure area: Lights & electrics
- Licensed in Great Britain: 1,881 (2026 Q2)

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2007 | Petrol | 46 (few mots) | 74% |
| 2006 | Petrol | 139 | 78% |
| 2005 | Petrol | 363 | 71% |
| 2005 | Diesel | 1 (very few mots) | 100% |
| 2004 | Petrol | 732 | 67% |
| 2003 | Petrol | 226 | 70% |

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Canonical page: https://regflags.co.uk/reliability/smart/roadster
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