Audi history at a glance: Horch 830 BL,1938; DKW3=6F91, 1953; NSU Prinz 30, 1959; Wanderer W25K, 1937; Audi Front 225, 1936 (left to right).VR StaffVintage Roadcar Articles January 16, 2019 0Auto Union Family Portrait Auto Union (Audi) history at a glance (left to right): 1938 Horch 830 B; 1953 DKW3=6F91; 1959 NSU Prinz 30; 1937 Wanderer W25K; 1936 Audi Front 225.