Car insurance is mandatory and necessary. Government makes care insurance mandatory because it give much benefit for car owner. If you know the benefit more, you will want more coverage to your car, instead of using only basic coverage to follow regulation.
Car insurance is not the same for different car type due to car price and possible repair in case of accident. You can buy ordinary car insurance that suitable with your car model, but it is better if you can have specific car insurance as your car model. The example is when you have van; you had better buy van insurance. Van is special vehicle due to it bigger size compare with other personal vehicle. To save your money you can find cheap van insurance. The other example is if you have classic car, you had better search for classic car insurance. They will give you better policy for the car because they have more understanding to the car model.
If save money is your priority, then you needed to search for the cheapest. It is quite easy to compare car insurance today. In the internet, you can find comparison site for car insurance that give you instant quotes from multiple car insurance companies.