Bugatti Automobiles S.A.S. is a French luxury sports car manufacturer. The company was founded in 1998 as a subsidiary of the Volkswagen Group and is based in Molsheim, Alsace, France. The original Bugatti automobile brand was established by Ettore Bugatti (1881–1947) in 1909 at Molsheim and built sports, racing and luxury cars.

The Bugatti 18/3 Chiron is a 1999 concept car developed by French automobile manufacturer Bugatti Automobiles and designed by Fabrizio Giugiaro of Italdesign. Powered by a 6.3 L W18 engine, it is a 2-seater mid-engine coupé. The 18/3 Chiron was the last in a trio of Bugatti concept cars by Italdesign, after the 1998 EB 118 coupé and the 1999 EB 218 saloon.