The Adler Favorit was made as cheaper alternative to the Adler Standard 6 beginning in 1929. It was propelled by a 35 HP four-cylinder engine. Outwardly, the both types are very similar.
The vehicle on both photos is the same Adler Favorit of the years of construction 1930/31. As a distinguishing mark, the number of cylinders is displayed in form of a 6 on the headlights supporter in the case of the Adler Standard 6.
The Adler Favorit 4 K ambulance was based on the chassis of the Adler Favorit passenger car. It was manufactured from 1929 to 1934. There was a similar vehicle based on the Standard 6.