Go for Insurance claim
If the police can't find the car thief, your insurance will have to pay for it. If they CAN find the car thief and he/she has nothing, your insurance will STILL have to pay for it.
The insurance will pay for the car you hit.
I would think that you would have to repair the car either through your insurance company or through the insurance you paid for when renting the car.
If you are driving their car and hit their car, then their insurance will pay for the damage on both cars. If you are driving your car and hit their car, then your insurance will pay for the damage on both cars.
You can find Classic Car Insurance at First National Car Insurance Group, Geico and of course you can find Classic Car Insurance from Haggerty Classic Car Insurance.
whut if you were in a bus accident and the bus didnt get the insurance information
The average cost of car insurance in the world is difficult to find due to inflation and currency exchange. However the average cost of car insurance in 2010 in the USA was $791 and in 2012 the average cost of car insurance in the United Kingdom hit 971 euros.
Once your insurance has paid, you are responsible for the rest.
If it's your car that got hit, you should still make a report to the police. (You never know, they may find the person that hit you). Insurance will still take the claim, but it may take more time to process, and you'll have to have the appropriate insurance. If you hit the car, you should leave a note with your contact info and insurance info so the owner can get back to you.
One can find information about car insurance in Chicago on websites such as "Progressive", "United Car Insurance", "AllState Insurance", "Lincoln Insurance" or "Abacus Insurance".
The other person pays.