 From 1964 to 1968, Opel produced a total of 55,876 Admirals (out of a grand total of 89,277 KAD cars, making the Admiral by far the most popular of the three).Only 377 of the Admiral "A"s were fitted with the "Austrian market special" 2,473 cc engine and only 623 came with the expensive Chevrolet sourced V8, leaving the 2,605cc and 2,784 cc six cylinder engined cars, which respectively found 31,318 and 23,558 buyers, powering more than 98% of the Admiral "A"s.

The Admiral B was introduced just in time for the Geneva Motor Show in March 1969  together with the new Kapitän and Diplomat.While the Kapitän was discontinued after May 1970, the Admiral and Diplomat survived until 1977.