Actually, I'd rather win by honest means. Just like a real car show. It's the only way to know if the six figures invested means as much to others as it did to me.
Any version of NetScape and/or MSIE can have "Cookies" removed. If you really want to cheat, use "WEB-Pounder". Set it for that Form URL with a multiple pound every 20 seconds or so. By tomorrow, you'd have the best car on the Site. Just kidding, of course...