The Pagani Huayra is also unofficially faster around the track than the  a limited production hybrid sports car of which one was auctioned off for how much money?
LaFerrari LaFerrari (project name, F150) is a limited production hybrid sports car built by Ferrari. LaFerrari literally means "TheFerrari" in Italian language and in some other Romance languages, in the sense that it is the "definitive" Ferrari. On December 3, 2016, a LaFerrari auctioned off for $7 million (£5,743,500.00) making this car "the most valuable 21st century automobile ever sold at auction".
Porsche LMP2000 The Porsche LMP2000 (also known as the Porsche 9R3) was a Le Mans Prototype racing car that was developed between 1998 and 2000, but never raced. One car was built, and it was designed around a modified version of Porsche's 3.5-litre V10 engine that was originally designed for Formula 1 in 1992. The project was cancelled before the car was built, leading to various rumours about the reason for its demise.