unlikely that everybody, overnight, has decided to buy a red car.However - - about six or seven years ago, I got a maths class that I was teaching to do some simple statistics by getting them to note the colo(u)rs of all the cars that passed the school gateway over a twenty-minute period. This definitely showed that there was a preponderance of red cars - something in the order of 20% more than any other colo(u)r, if I remember c'reckly.
At the moment, in the UK, I think there is little doubt that a similar exercise would show a marked imbalance toward silver-painted cars.
My own theory is that ICI (the major paint manufacturer in UK) cocks up on it's production every now and again, and offers their over-produced colo(u)r to the manufactureres at a vast discount, so the manufacturers make that colo(u)r "fashionable" ( which probably means they can charge even more for silver cars at the moment!
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