1931 Alfa Romeo 8C 2300 tipo LeMans and
1931 Maikafer prototype
Both were designed by someone who was of Hungarian origin.
The Alfa Romeo was designed by Vittorio Jano, who was born as János Viktor to Hungarian parents who moved to Italy before Janos was born.
Maikafer was designed by Josef Ganz, whose father was German who married a Hungarian girl and Ganz was born in Hungary