I'd like to, but I don't think I have the time.
Do you have any reference material for the chassis and suspension ?
If not this will be difficult to get
Have you tried to make car body type surfaces in Solidworks yet ? it is very, very difficult and there are much easier programs to use.
I have started modelling classic racing cars for a PC game and I now use 3D Studio Max for the car bodies. For the mechanical parts I still use Solidworks though.