Automobil Revue tested the rare Bitter Diplomat CD in the winter of 1974/1975 and was quite impressed. Here is the testers' brief summary: "We found the Bitter Diplomat CD to be a very pleasant and safe luxury vehicle. It is a valid alternative to a number of other, sometimes more expensive and usually even more powerful coupés. Thanks to its American-style V-8 engine/automatic transmission drive unit, it is mechanically suitable for everyday all-round use, even if it is too good for this due to its extremely well-kept appearance. What we would like to see - at the risk of disturbing its captivating lines - are slightly larger, more protruding bumpers ... to protect its highly elegant front and the rear window, which extends almost to the end of the car."