Today, two more Auto Union brands - DKW and Audi. The green car is the DKW F102, introduced in 1963, a modern design but with an old two-stroke engine. It was replaced by a revamped version with a four-stroke, the F103 (red car, Techno Classica 2017), in 1966 for which the dormant Audi badge was revived. Note the DKW was already using the ‘four ring’ Auto Union grille logo in preference to a DKW badge. This was then transferred to the Audi