You may need to fly to find the right car. ZHPs aren't a dime a dozen, unfortunately.
I know there's expense involved, but it's worth finding exactly what you want, even if it means a little travelling, no? You can definitely make that trip in a day; planes travel very quickly.
You may want to hit up GDMChRiZ - I think he sells ZHPs on a semi-regular basis on the forum, and he is based in FL if I remember correctly. He has one for sale right now, though it's a coupe:
http://www.zhpmafia.com/forums/showt...-Package-Coupe
Send him a PM and see if he can get you something.