If you're buying used in the UK then a fleet car is your best bet. They have higher mileage but have been regularly maintained and the mileage is usually motorway gained.
But cars are money pits, especially with the level of UK taxation (general and stealth) that is aimed at the motorist.

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Always takin', Always fakin', Ignorance is so frustrating.

"I've done the math enough to know the dangers of our second guessing...."