It’s easy to compare car insurance quotes with MoneySuperMarket. It only takes a couple of minutes to check your details against more than 120 insurers – and you could save up to £278 in the process. Compare car insurance policies now to beat your renewal quote or insure your new car.So we’ve compiled the following simple answers to questions frequently thought, about finding the cheapest quote when comparing car insurance. What is car insurance? What does car … Just be aware that you won‘t be able to buy an insurance policy without the registration number.