You might have a better chance if you revised your OP to list the cars you have for trade. ! car and 2 paints doesn't give a trader much to go on which is why you haven't gotten one yet.
It wouldn't hurt if you read this: https://www.gtplanet.net/forum/showthread.php?t=136583
I'm not trying to give you a hard time, I am just trying to help you. Just so you understand the one xxKristi87xx is a 0/0/0 car. Nothing less than a 0/0/0 is acceptable for a trade. If you son't know what a 0/0/0 car is read this: https://www.gtplanet.net/forum/showthread.php?t=252528