# Fiat Sun MOT reliability: pass rate and common failures | RegFlags

The Fiat Sun passes its MOT first time 90% of the time, from 124 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 90%
- MOT tests analysed: 124 (DVSA anonymised MOT data, 2025)
- Most common failure area: Visibility & wipers
- Licensed in Great Britain: 179 (2026 Q2)

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2022 | Diesel | 26 (few mots) | 89% |
| 2021 | Diesel | 74 (few mots) | 89% |
| 2020 | Diesel | 12 (very few mots) | 92% |
| 2019 | Diesel | 1 (very few mots) | 100% |
| 2018 | Diesel | 6 (very few mots) | 100% |
| 2017 | Diesel | 3 (very few mots) | 100% |
| 2016 | Diesel | 1 (very few mots) | 0% |
| 2014 | Diesel | 1 (very few mots) | 100% |

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Canonical page: https://regflags.co.uk/reliability/fiat/sun
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