yeah thats illegal and also stupid, if you considering a 1.9 fr then you can afford to insure yourself on your own car properly. It works out cheaper in the long run as if you are a named driver there are very few companies who will issue you with no claims bonuses. Most policies only reward the main driver with the ncb.

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Here I am, 7 years later, paying about £1000 less than that figure for my insurance.