This idea just came to me as i was submitting my list for my favourite designs when i realised i coudn't include the Alfa 8C Competizione so now i'm posting my top 10 concept designs from the modern day, guess which is first.(only concepts that are not in production)
Thats Right The
Alfa Romeo 8C Competizione
Lamborghini SE
Ferrari GG50
Aston Marton Rapide
Chrysler ME412
Honda Sports 4
Lexus LF-C
Audi Nouvoulari
Jaguar RD
Volkswagen Concept A
Alfa Romeo 8C
Alfa Romeo Brera Concept
Aston Martin Bertone Jet 2
Aston Martin Vanquish Zagato Roadster
Audi Nouvoulari
Lamborghini Miura Concept
Maserati Birdcage
that's all that comes to mind ATM, I'm sure there are many more I could add