# Triumph Dolomite MOT reliability: pass rate and common failures | RegFlags

The Triumph Dolomite passes its MOT first time 79% of the time, from 200 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 79%
- MOT tests analysed: 200 (DVSA anonymised MOT data, 2025)
- Most common failure area: Lights & electrics
- Licensed in Great Britain: 1,034 (2026 Q2)

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 1981 | Petrol | 14 (very few mots) | 57% |
| 1980 | Petrol | 43 (few mots) | 81% |
| 1979 | Petrol | 18 (very few mots) | 67% |
| 1978 | Petrol | 24 (few mots) | 83% |
| 1977 | Petrol | 31 (few mots) | 71% |
| 1976 | Petrol | 21 (few mots) | 91% |
| 1975 | Petrol | 16 (very few mots) | 94% |
| 1974 | Petrol | 15 (very few mots) | 80% |
| 1973 | Petrol | 14 (very few mots) | 86% |
| 1972 | Petrol | 3 (very few mots) | 67% |
| 1971 | Petrol | 1 (very few mots) | 100% |

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Canonical page: https://regflags.co.uk/reliability/triumph/dolomite
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