Given the small 1930s production levels for European automobile firms compared to the likes of General Motors, Ford and Chrysler, I find the variety of models some manufacturers produced rather surprising. That definitely was the case for Adler. For instance, at the start of the decade Adler marketed both six and eight cylinder models. Then in 1932 it launched its Trumpf ("trump") front-wheel-drive line. Towards the end of the 30s came the streamlined Typ 10 (also known as the 2.5 Liter or Autobahn Wagen). And around that time Adler made a few Trumpf Rennlinousine ("racing sedans"). Examples of these and some others are shown below.
Paul Jaray automobile streamlining.