Does the Daihatsu Sirion fail the MOT on suspension more than it should?
The Daihatsu Sirion records 25.14 suspension failure items per 100 initial MOT tests (2019–2024), against 28.72 expected for a car of the same age mix: less than expected for its class and age (−3.58, 95% interval −4.07 to −3.09). It ranks 447 of 701 models on suspension (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on suspension · check a Daihatsu Sirion by registration
What exactly fails on suspension?
The most frequent DVSA defect wording in this group on the Daihatsu Sirion is “A suspension pin, bush or joint excessively worn”, recorded 5,832 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A suspension pin, bush or joint excessively worn | 5,832 | 12.53 |
| 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 | 2,277 | 4.89 |
| A suspension joint dust cover severely deteriorated | 1,268 | 2.73 |
| A suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 459 | 0.99 |
| A shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 322 | 0.69 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 46,528 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Daihatsu Sirion gets a suspension advisory, how often does it fail next time?
22.3% of Daihatsu Sirion MOTs with a suspension advisory were followed by a fail in the same group at the next MOT, typically 12 months and 3,974 miles later (10,531 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 10,531 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Daihatsu Sirion 2001 · Daihatsu Sirion 2002 · Daihatsu Sirion 2003 · Daihatsu Sirion 2004 · Daihatsu Sirion 2005 · Daihatsu Sirion 2006 · Daihatsu Sirion 2007 · Daihatsu Sirion 2008 · Daihatsu Sirion 2009 · Daihatsu Sirion 2010 · Daihatsu Sirion in the Netherlands · Daihatsu Sirion by postcode area · Daihatsu Sirion body, chassis and structure failures · Daihatsu Sirion brakes failures · Daihatsu Sirion vehicle identification failures · Daihatsu Sirion lamps, reflectors and electrics failures · Daihatsu Sirion noise, emissions and leaks failures · Daihatsu Sirion seat belts and airbags failures · Daihatsu Sirion steering failures · Daihatsu Sirion tyres failures · Daihatsu Sirion visibility failures