The multiple car insurance quotes have one great benefit. They allow you to insure several vehicles with the same policy. Many insurance companies have now this great option and many families are seeking great discounts with that.
If your family or household has several vehicles ( excl. motorbikes ), the multiple car insurance quotes can honestly save money, because by the centralization you can get discounts. Most obviously you can save more, than by comparing the different insurance quotes with each other.
The reason for the reduction is, that the insurance companies can save in the administration costs.
The insurance policy for multiple cars will be under one name, but each car can have a named driver. The practice of the different companies vary, some require details from each named driver and others from only one, the main policy holder.
When you go through the multiple car insurance quotes look, that there is required details for only one name, because this has influences on the price.
Some insurance companies accept only private passenger cars, others also the commercial vehicles. Ask quotes from several companies, because the pricing principles vary a lot.
You can also ask the quotes for a certain car and driver to check, whether the multiple quotes are cheaper or not. Or you can take quotes for every car, then combine them into one policy and to compare, whether it is cheaper than the multiple quote. And read the small print carefully!
Note also that the online quotation services are set up to give the standard quotations. If you have a special car, this quote is not, what you need.
The multiple car insurance quotes can save you money, but not always. That is the reason, why it is wise to take also the individul quotes, for each vehicle and driver, to combine them and to compare with the multiple quote price and coverage.