Just for fun, here is what the Alfa Romeo Giulia would look like with a classic race livery on it. The livery is a nod to the 155. Giving it a bit of dirt and scruff makes it look great, and the spoiler on the back isn't bad either.
What do you guys think of this livery?
And check this link for classic liveries on other vehicles. --> http://www.motor1.com/news/61977/classic-race-car-liveries-meet-the-models-of-today-/