Does the Daihatsu Sirion fail the MOT on vehicle identification more than it should?
The Daihatsu Sirion records 0.41 vehicle identification failure items per 100 initial MOT tests (2019–2024), against 0.59 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (−0.18, 95% interval −0.25 to −0.11). It ranks 567 of 636 models on vehicle identification (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on vehicle identification · check a Daihatsu Sirion by registration
What exactly fails on vehicle identification?
The most frequent DVSA defect wording in this group on the Daihatsu Sirion is “Number plate inscription missing or illegible”, recorded 95 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Number plate inscription missing or illegible | 95 | 0.20 |
| Number plate does not conform to the specified requirements | 53 | 0.11 |
| Number plate missing or so insecure that it is likely to fall off | 42 | 0.09 |
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 vehicle identification advisory, how often does it fail next time?
3.2% of Daihatsu Sirion MOTs with a vehicle identification advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,820 miles later (1,100 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,100 (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 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 suspension failures · Daihatsu Sirion tyres failures · Daihatsu Sirion visibility failures