The Bugatti 18/3 Chiron is a 1999 concept car by Bugatti Automobiles designed by Fabrizio Giugiaro of Italdesign. Powered by a 6.3 L W18 engine, it is a 2-seater mid-engined sports car. Bugatti named the Chiron in honor of Bugatti racing driver Louis Chiron. The 18/3 Chiron was the last in a trio of Bugatti concept cars by Italdesign, after the in the 1998 EB 118 coupé and the 1999 EB 218 saloon.It is rumoured that the Chiron name will be used again on the 2016 successor to the Bugatti Veyron.