EUcarhire.com

Make a search on this website to see if cars are available. The website is in real time. Try to avoid Saturday afternoon and Sunday for City Location pick up and drop off if possible for you. For deposit look here please:

At STEP2 of our 3 step online booking process, to the right of the car photo of your choice, is a link entitled "IMPORTANT INFORMATION". Click on this link and it will open an additional smaller window, where the terms and conditions appertaining to that particular car at your chosen location are displayed. Choose PAYMENT and look under deposit. It is normally around 250€ hold on your Credit Card

How old are you? As age might be a factor as well.

OK, also check here then:-

The driver must have held a full driving licence for at least one year. At STEP2, click on the link "IMPORTANT INFORMATION' displayed to the right of the car photo of your choice. This will open another smaller window and if you click on "DRIVER" you will see what age restrictions there may be and any associated fees. Try a few different car models / suppliers, as they do differ.