2009 Daihatsu Sirion MOT pass rate: 72.3% (2,638 tests)

2009-registered Daihatsu Sirions passed 72.3% of 2,638 MOT tests in 2023–2025 — 5.9 points better than all UK cars registered in 2009 (66.4%).
72.3%Pass rate, 2009 cars
105.9Age-adjusted index (100 = average)
2,638Tests analysed
65,684 miMedian mileage at test

Is the 2009 Sirion getting worse?

Pass rate of 2009-registered cars across recent test years:

Test yearPass rate
202375.5%
+8.6 vs same-age
202471.1%
+5.0 vs same-age
202569.9%
+3.8 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2009 Sirion

#SystemDefects recordedShare
1Suspension61631.3%
2Brakes34217.4%
3Lamps, reflectors and electrical equipment32616.6%
4Tyres1688.5%
5Body, chassis, structure1407.1%
6Visibility1366.9%

All Sirion years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2005 2,112 64.8% +0.3 pts 74,424
2006 2,133 66.7% +2.3 pts 73,029
2007 4,009 69.0% +3.9 pts 70,339
2008 5,383 70.0% +4.9 pts 67,396
2009 (this page) 2,638 72.3% +5.9 pts 65,684
Buying a 2009 Sirion? Two checks first

FAQs

Is a 2009 Daihatsu Sirion reliable?

2009-registered examples passed 72.3% of their MOT tests (2,638 tests, 2023–2025), +5.9 points versus all UK cars registered in the same year. At roughly 17 years old with a median 65,684 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2009 Sirion?

The median tested example shows 65,684 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.