I've had a go at making a car for 2010 too. Enjoy.
It was made on google sketchup. I've uploaded it so you can all download/edit it yourselves. It would be great if you could post any modifications you make... kind of like an open-source car design.
Here's the link:
http://sketchup.google.com/3dwarehouse/ ... f6350f7ca4
Thanks.