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The 25 most unreliable cars

What Car? Logo By What Car? team of What Car? | Slide 1 of 26: And while that means the odds of getting something dependable are in your favour, there are plenty of models that greatly increase the chances of your repair bills racking up quicker than you can ask a passenger whether they heard a strange noise. Here, then, we're going to do our best to help you avoid such a fate, by counting down the 25 worst performers in our survey. Our scores take into account the number of faults, the cost of repairs and how long vehicles were off the road.

One in five of the cars owners told us about in our 2021 Reliability Survey suffered at least one fault.

And while that means the odds of getting something dependable are in your favour, there are plenty of models that greatly increase the chances of your repair bills racking up quicker than you can ask a passenger whether they heard a strange noise.

Here, then, we're going to do our best to help you avoid such a fate, by counting down the 25 worst performers in our survey. Our scores take into account the number of faults, the cost of repairs and how long vehicles were off the road.

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