At a Glance
The Daihatsu Copen Mk1 has 7 identified problems that occur more often than the UK average, with Tyre condition being the most reported. Bodywork is the most common MOT failure category. Based on 30K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Daihatsu Copen Mk1 — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Daihatsu Copen Mk1 MOT Pass Rate
Across 30K MOT tests from DVSA data, the Daihatsu Copen Mk1 (2002–2012) has a fail rate of 24.3%.
UK average fail rate (2006–2012): 39.0%
Common Daihatsu Copen Mk1 Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Tyre condition
1,118
occurrences
Catalytic converter efficiency low
782
occurrences
Exhaust system fault
693
occurrences
Spark ignition emissions above threshold
499
occurrences
Vehicle structure corrosion
267
occurrences
Tell Us About Your Problem
Help other Daihatsu Copen Mk1 owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Daihatsu Copen Mk1 owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Daihatsu Copen Mk1, grouped by the mileage they typically appear at.
266 distinct problems · 35,420 total occurrences in current filter
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Frequently Asked Questions
What are the most common Daihatsu Copen Mk1 problems?
Based on DVSA MOT data for the Daihatsu Copen Mk1 (2002–2012), we have identified 7 common problems. The most frequently reported is "Tyre condition". Bodywork is the most common MOT failure category.
How reliable is the Daihatsu Copen Mk1?
This generation has 30K MOT tests on record with a 24.3% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Daihatsu Copen Mk1?
There are 114 distinct MOT failure types recorded for the Mk1 (2002–2012), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Daihatsu Copen Mk1?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Daihatsu Copen owners spot problems early. All submissions are reviewed before being added to the public database.
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