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Daihatsu Copen car check

Find out if a Copen has outstanding finance, has been written off or stolen, how many owners it’s had, and which known problems apply to the generation you’re looking at.

Finance, stolen, write-off and owner history data provided by Experian. Results in under a minute.

MOT failure rate
19.6%10k tests
Known problems
5across L880
Full report
£7.49one-off, no subscription

Which Copen are you looking at?

Each Copen generation has its own weak spots. Here are the known problems.

  1. Structural corrosion at mounting points

    Safety risk L880

    The Copen's lightweight construction uses thin steel sections that are highly susceptible to corrosion, particularly around suspension mounting points and structural load-bearing areas. MOT data shows this model fails at 90 times the national average for body corrosion at mounting points, with the problem appearing as early as 20,000 miles. The convertible body structure relies on precise mounting point integrity for rigidity, making even minor corrosion a serious safety concern. This is compounded by poor factory corrosion protection on early examples.

    What to check: Inspect the front suspension top mounts through the engine bay - look for rust staining, flaking paint, or visible holes in the metal around the strut mounting points. Check the rear suspension mounting points by looking under the car at the rear wheel wells - corrosion here often appears as brow...

  2. Vehicle structure rigidity loss from corrosion

    Safety risk L880

    The Copen's convertible body structure is inherently less rigid than a fixed-roof equivalent and relies on strategic strengthening points to maintain structural integrity. Corrosion in these critical areas reduces the assembly's rigidity to dangerous levels, with MOT data showing failures at 87.7 times the national average. Both the 659cc and 1298cc variants are affected equally, suggesting the issue is related to the common body shell rather than engine-specific factors.

    What to check: Check the door frames and B-pillar areas for rust or previous repair work - these are critical for convertible rigidity. Inspect the area around the soft-top mechanism housing for corrosion or cracks in the metalwork. Look at the rear bulkhead behind the seats for rust or deformation. Check the f...

  3. Brake hose ferrule corrosion

    Safety risk L880

    Brake hose ferrules (the metal crimped ends that connect flexible hoses to rigid brake lines) corrode at extremely high rates on the Copen, with MOT failures at 41.2 times the national average. The problem appears across all mileage bands including very low mileage cars, suggesting poor quality control or inadequate corrosion protection from the factory. Corroded ferrules can leak brake fluid or fail completely, causing immediate loss of braking power.

    What to check: Check all visible brake hose connections at each wheel for rust, corrosion, or white corrosion deposits around the metal ferrule ends. Look for any signs of brake fluid leakage (dark staining) around the hose connections. Examine the brake fluid reservoir level and colour - low level or dark/cont...

  4. Wheel bearing excessive play

    Wear item L880

    Wheel bearings on the 659cc Copen variants develop excessive play at 25.8 times the national average failure rate, typically appearing from 20,000 miles onwards. The lightweight construction and small wheel bearings are likely undersized for the vehicle's weight distribution and cornering loads. The problem affects both front and rear bearings but is more common at the front due to steering and braking loads.

    What to check: Grasp each wheel at the 12 and 6 o'clock positions and try to rock it - any movement indicates bearing wear. Repeat at 3 and 9 o'clock positions to check for different types of bearing play. Spin each wheel by hand and listen for grinding, rumbling, or rough rotation - bearings should turn smooth...

  5. Brake pipe corrosion

    Safety and MOT risk L880

    Brake pipes corrode at 7.6 times the national average on Copens, typically affecting the steel lines running along the underside of the vehicle. The combination of road salt exposure, inadequate undersealing, and thin-wall brake lines creates premature corrosion. This affects both the 659cc and 1298cc variants equally, indicating a chassis-level issue rather than engine-specific problem.

    What to check: Inspect visible brake lines along the underside of the vehicle for surface rust, pitting, or areas where the protective coating has worn away. Look for any signs of brake fluid weeping or staining along the brake line routes. Check brake fluid level and condition - low or contaminated fluid may i...

Copen MOT results

19.6%

of Copen MOT tests end in a fail, from 9,575 tests.

Most common reasons for failing

  1. Structural corrosionBodywork
  2. Seat mounting faultSeatbelts & Airbags
  3. Vehicle structure corroded to the extent that t...Bodywork

Check the Copen you’re buying

One report covers outstanding finance, write-offs, theft and previous owners from Experian, plus MOT history, mileage and the known problems for its generation.

Finance, stolen, write-off and owner history data provided by Experian.

What the check includes

Copen questions

Is the Daihatsu Copen reliable?

19.6% of Copen models fail their MOT based on 9,575 tests analysed. That’s about average for the class. There are 5 known problems to watch for, the most serious being structural corrosion at mounting points. A full history check shows whether a specific car has had related write-offs or insurance claims.

What are the main problems with a Daihatsu Copen?

The most serious known issues are structural corrosion at mounting points, vehicle structure rigidity loss from corrosion, brake hose ferrule corrosion. Our car check flags whether a specific Copen has been written off or had insurance claims linked to these faults.

How do I check if a Daihatsu Copen has outstanding finance?

Enter the registration on this page. We query Experian’s finance database and return any outstanding agreements within a minute. If finance is still owed, the finance company can legally repossess the car even after you’ve paid the seller. At £7.49 it’s the cheapest way to avoid a car that isn’t legally for sale.

How do I check if a Daihatsu Copen has been written off?

Our check queries Experian’s insurance write-off database for Cat A, B, S and N markers. A Cat S or N Copen has been structurally or non-structurally damaged and repaired. This doesn’t mean it’s unsafe, but it affects resale value and some insurers won’t cover it. The check costs £7.49.

Can I check a Daihatsu Copen for free?

You can check MOT history free on GOV.UK, which shows past test results and advisories. What it won’t show is outstanding finance, write-offs or theft markers, which are the things that actually cost you money after you’ve bought. Our full check adds all of that for £7.49, using Experian data.

Is a Daihatsu Copen HPI check worth it?

HPI is one brand of car check. Our check uses the same Experian data covering finance, stolen, write-off and keeper history, plus MOT analysis and known Copen faults that HPI doesn’t include. At £7.49 it’s typically less than half the price of an HPI check.

What does a Daihatsu Copen fail its MOT on?

The most common MOT failure on the Copen is structural corrosion. 19.6% of Copen models fail overall, based on 9,575 tests. Checking a car’s full MOT history before buying shows you recurring problems the seller might not mention.

More on the Copen

Other Daihatsu car checks

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Finance, stolen, write-off and owner history data provided by Experian. MOT data from DVSA. Known problems from GetCarWise analysis. Updated October 2026.