My mum is thinking of getting a new Audi TT next year, and I would like to be a named driver on it (I will be 19 year old male - nearly 20). With my mum and my dad on the insurance it is around £500. However, my mum was caught speeding recently, and we have been seeing what difference this would make to an insurance quote, and it raised to around £600. So thats £100 difference. Now, when my dad originally added me to the policy it was £3500. And then when we mentioned that my mum has one speeding conviction.. it raised to £4400. £900 difference. Why such a change when Ive done nothing wrong? Just doesnt make sense. What do you guys think?