I need some C&C,

My latest peice. I'm not the best, I got bored. :P

http://i1123.photobucket.com/albums/.../Nissan350.png

It looks kinda boring, or plain, what should I add to make it better?

imo you should work on your blending and the light source is not a the right place if im looking at the car shadow...

keep it up