With the Royale Bugatti wanted to create a luxury car for high ranking persons. It was intended for kings and emperors and correspondingly high were the standards applied by Bugatti in its design. Its engine was based on the prototype of an aircraft engine which had been developed by him in 1923, commissioned by the French government. The huge 8-cylinder engine had a capacity of 12.7 liters and thus was the largest unit of its time intended foar a series automobile. Cylinder and crankcas were integrated in one block. And although this gave tremendous stability to the engine in spite of the enormous combustion pressure, grinding the valves, a frequently necessary routine at that time, required to dismantle the engine and to desassemble it completely.
There can be no doubt that with the Royale Bugatti had once more succeeded in writing automobile history. But from a financial point of view this monumental vehicle was a failure. With a price three time that of a Rolls-Royce he had distanced himself too far from economical realities that were marked by the world economic crisis. It was not until 1932 that the first car was delivered, and in the end but three specimen altogether found a buyer. The prototype as well as the other specimen which had been produced were sold to collectors after the war.