I couldn’t find this on here so i thought i’d post it.
The peugeot contest has been announced details are here it has a theme :O.
http://www.peugeot-concours-design.com/index_en.htm
I doubt i will be entering i cant model cars i guess i could try but doubt i will but i will be looking foward to seeing other peoples attempts.
good look competitors
Reaper
Sorry i shoulda done a search before sorry for spam
omg… just as i started making a citroen…
I dunno if its to late to post in this but i think i will enter this one, i havent modelled anything in blender for about 2 months though eeek 
Aidan
I’ve decided to enter, mainly because I needed a motivation for learning Blender and maybe because I’m a liitle bit petrolhead
here is my WIP: http://blenderartists.org/forum/showthread.php?t=83083
still a lot to do (all the details, description, scene setups…) but still a week to go also 