At a Glance
The Daihatsu Terios Mk1 has 12 identified problems that occur more often than the UK average, with Catalytic converter efficiency low being the most reported. Suspension is the most common MOT failure category. The most serious issue flagged is Chassis condition, rated as dangerous. Based on 108K 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 Terios 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 Terios Mk1 MOT Pass Rate
Across 108K MOT tests from DVSA data, the Daihatsu Terios Mk1 (1997–2005) has a fail rate of 38.9%.
All-time UK average fail rate: 34.9%
Common Daihatsu Terios 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.
Catalytic converter efficiency low
9,787
occurrences
Suspension component mounting corroded
9,360
occurrences
Chassis condition
6,457
occurrences
Spark ignition emissions above threshold
2,380
occurrences
Subframe mounting corroded
2,177
occurrences
Tell Us About Your Problem
Help other Daihatsu Terios Mk1 owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Daihatsu Terios 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 Terios Mk1, grouped by the mileage they typically appear at.
405 distinct problems · 225,112 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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Other Daihatsu Terios Generations
Mk1
1997–2005
17 problems
Current page
Mk2
2006–2013
6 problems
Frequently Asked Questions
What are the most common Daihatsu Terios Mk1 problems?
Based on DVSA MOT data for the Daihatsu Terios Mk1 (1997–2005), we have identified 12 common problems. The most frequently reported is "Catalytic converter efficiency low". Suspension is the most common MOT failure category.
How reliable is the Daihatsu Terios Mk1?
This generation has 108K MOT tests on record with a 38.9% 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 Terios Mk1?
There are 159 distinct MOT failure types recorded for the Mk1 (1997–2005), 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 Terios Mk1?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Daihatsu Terios owners spot problems early. All submissions are reviewed before being added to the public database.
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