THE DERHAM TOURSTER The Tourster was Gordon Buehrig’s favorite Duesenberg.

There is a lot to say about this handsome automobile, but the fact is that out of all of the creations that the master designer drew up for the mighty Model J, he preferred the Tourster, which speaks loudest of all.

The design was for a five-passenger touring car on the long 153.5-inch wheelbase Model J chassis, which in his 1972 autobiography, Rolling Sculpture, Buehrig described it as being “severely plain in ornamentation and [having] the unusual virtue of being equally handsome with the top in the raised position or when it is lowered.” The length of the chassis exaggerated the car’s lowered proportions, created by moving the rear seat ahead of the rear axle and the foot wells within the frame rails, which increased room for passengers while also allowing the top and sides of the body to be lower than on a standard phaeton.

With the Tourster, Buehrig also sought to solve a common problem of dual-cowl phae...