Daihatsu Sirion
MOT data from 10,361 tests in 2024. Pass rate: 73.2%. Average mileage at test: 74,365 miles.
Common failure reasons
| Reason | Count |
|---|---|
| a suspension pin, bush or joint excessively worn | 1,096 |
| the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired | 462 |
| the aim of a headlamp is not within limits laid down in the requirements | 297 |
| brake pipe damaged or excessively corroded | 287 |
| wiper blade missing or obviously not clearing the windscreen | 243 |
| tyre tread depth not in accordance with the requirements | 221 |
| headlamp reflector or lens slightly defective | 219 |
| exhaust system leaking or insecure | 199 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 182 |
| a tyre seriously damaged | 173 |
By registration year
| Year | Tests | Pass rate | |
|---|---|---|---|
| 1999 | 128 | 59.4% | |
| Top failures: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension joint dust cover severely deteriorated, the strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired | |||
| 2001 | 117 | 65% | |
| Top failures: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension joint dust cover severely deteriorated, the strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired | |||
| 2002 | 244 | 72.5% | |
| Top failures: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, a suspension joint dust cover severely deteriorated | |||
| 2003 | 176 | 68.8% | |
| Top failures: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension joint dust cover severely deteriorated, exhaust system leaking or insecure | |||
| 2004 | 183 | 68.3% | |
| Top failures: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, the strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired, the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is so weakened that control of the vehicle is likely to be adversely affected | |||
| 2005 | 1,263 | 71.4% | |
| Top failures: a suspension pin, bush or joint excessively worn, the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, exhaust system leaking or insecure | |||
| 2006 | 1,186 | 72.4% | |
| Top failures: a suspension pin, bush or joint excessively worn, the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, headlamp reflector or lens slightly defective | |||
| 2007 | 2,350 | 73.6% | |
| Top failures: a suspension pin, bush or joint excessively worn, the aim of a headlamp is not within limits laid down in the requirements, brake pipe damaged or excessively corroded | |||
| 2008 | 2,978 | 74.1% | |
| Top failures: a suspension pin, bush or joint excessively worn, brake pipe damaged or excessively corroded, the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired | |||
| 2009 | 1,418 | 76.4% | |
| Top failures: a suspension pin, bush or joint excessively worn, tyre tread depth not in accordance with the requirements, wiper blade missing or obviously not clearing the windscreen | |||
| 2010 | 171 | 80.7% | |
| Top failures: a suspension pin, bush or joint excessively worn, wiper blade missing or obviously not clearing the windscreen, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | |||
Mileage at test
25th percentile
57,911 mi
Median
78,100 mi
75th percentile
95,376 mi
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