Does anyone know the origin of Porsche's slogan?
"Porsche, there is no substitute"
In particular, I wonder if Porsche began using this slogan after the movie, Risky Business, or if Tom Cruise's line was already in use by Porsche.
WHICH AUDI SLOGAN BEST CAPTURES THE BRAND?
Vorsprung durch Technik is the most well known slogan for Audi, translating roughly to Advancement Through Technology in English.