Does the Daihatsu Sirion fail the MOT on steering more than it should?
The Daihatsu Sirion records 4.52 steering failure items per 100 initial MOT tests (2019–2024), against 5.14 expected for a car of the same age mix: less than expected for its class and age (−0.62, 95% interval −0.83 to −0.42). It ranks 307 of 640 models on steering (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on steering · check a Daihatsu Sirion by registration
What exactly fails on steering?
The most frequent DVSA defect wording in this group on the Daihatsu Sirion is “Steering rack gaiter or ball joint dust cover damaged or deteriorated”, recorded 806 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Steering rack gaiter or ball joint dust cover damaged or deteriorated | 806 | 1.73 |
| Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc | 506 | 1.09 |
| A steering ball joint with excessive wear or free play | 355 | 0.76 |
| EPS MIL indicating a system malfunction | 133 | 0.29 |
| Electronic power assistance not working | 95 | 0.20 |
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 steering advisory, how often does it fail next time?
11.0% of Daihatsu Sirion MOTs with a steering advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 4,422 miles later (744 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 744 (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 suspension failures · Daihatsu Sirion tyres failures · Daihatsu Sirion visibility failures