Bugatti Chiron Test Mule Spotted in Italy Ahead of Official Unveiling - TechEBlog
Spotted 4 [Bugatti Chiron] test mules back in 2016 at Pike's Peak while undergoing altitude testing. All 4 cars failed the brake temperature checkpoint and were ordered to cool down before proceeding
Bugatti retires Chiron test mule after eight years and over 70,000km of running | Automotive Testing Technology International
Bugatti Centodieci development test mule Photo Gallery