Know Your MOT
22.7%fail rate

Daihatsu Sirion MOT pass rate by year

How the Daihatsu Sirion's MOT pass rate changes year by year, from 1998 to 2010, across the DVSA record.

What is the Daihatsu Sirion MOT pass rate by year?

The MOT pass and failure rate for each Daihatsu Sirion model year, from the DVSA record. Only years with at least 1,000 tests are shown, so each figure is a real average rather than a handful of cars. The Daihatsu Sirion averages 22.7% failures across all years.

YearPass rateFailure rateTests
199870.4%29.6%9,174
199971.7%28.3%16,157
200073.2%26.8%11,992
200175.1%24.9%12,440
200276.3%23.7%16,658
200377.9%22.1%11,248
200477.2%22.8%7,408
200577.2%22.8%32,163
200678.1%21.9%26,692
200778.8%21.2%40,560
200879.2%20.8%46,539
200979.8%20.2%19,123
201079.1%20.9%2,106

Does age change how often a Daihatsu Sirion fails?

Older Daihatsu Sirions fail more often, as expected. The 1998 cars fail 29.6% of tests against 20.9% for the 2010. Across every year the model averages 22.7%. The 1998 is the weakest year at 29.6%, and the 2009 the strongest at 20.2%.

More on the Daihatsu Sirion

The full failure breakdown for this model, and how it compares to others.

See also
Daihatsu Sirion: common MOT failures and the parts that fix them
All Daihatsu models compared by MOT failure rate
MOT failure rates across Britain

Sources: DVSA MOT History API: MOT test results and defect data ยท DVSA MOT testing data for Great Britain