The MoT Files: Bottom 50 MoT performers
Our MoT data reveals a lot of information about the specifics of common MoT failure causes, whether simple bulb failures or more complex and dangerous problems, like worn out brakes or excessive rust. But what are the UK’s worst overall cars for the Mot?
We list the 50 models that have the lowest overall pass rates in the country. We’ve put a filter on so only models of which more than 5000 were tested appear, to filter out rare cars or particularly old models.



Renault Megane Scenic – 43% pass rate
The Megane Scenic went through various incarnations and, as if just to confuse, it was also available as plain ‘Scenic,’ that was sold alongside a bigger Grand Scenic. None had a particularly glowing reputation for reliability though.
Many of the Megane’s MoT failures can be attributed to age related wear and tear, though – the model enjoy quite a lot of success in the UK and tens of thousands of older cars are still on the road, in need of constant maintenance as components wear out.
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