It is very common for people to change old cars for new shiny models. If you wish to get a second car insurance, companies are likely to take a look at your driving history in order to determine the premiums they will charge. In that case, you can make use of the no claim discount: the lower the risk you represent to the company, the lower the premiums they will charge for your second car insurance. If you are more likely to make a claim, it will affect the premium you will be asked to pay.
In order to keep your second car insurance a low-premium one, you must take into account things like where the car is kept overnight and how old you are. These factors help companies calculate the sum insured in second car insurance.