The Trumpf Junior was a car made by Adler between 1934-1941 with 102840 being produced.

The Trumpf junior was available as a two-door and 4-door limousine, cabriolet, cabrio-limousine, tourer and a 2-seater sports car.

The car was fitted with a 995cc four cylinder engine which produced 25hp at 4000rpm. The car wasf ront wheel drive and fitted with a four-speed gearbox which also featured a reverse gear..

The wheelbase was 2630mm long and the total length of the vehicle was 4250mm.