<P> LaFerrari (project name, F150) is a limited production hybrid sports car built by Ferrari . LaFerrari literally means "TheFerrari" in Italian 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". </P> <P> LaFerrari Concept Manta and LaFerrari Concept Tensostruttura were unveiled at the Ferrari Museum in Maranello and the Ferrari World . </P> <P> The LaFerrari is based on findings from testing of the FXX and on research being conducted by the Millechili Project at the University of Modena . Association with the Millechili Project led to speculation during development that the car would weigh under 1,000 kg (2,205 lb), but a dry weight of around 1,255 kg (2,767 lb) was claimed . Only 499 units have been built, and each cost more than 1 million US dollars . An additional 500th car was later made to be sold at an auction . </P> <P> The vehicle was unveiled at the 2013 Geneva Auto Show, followed by Auto Shanghai 2013, 2013 Tour Auto Optic 2000, 2013 Supercar Chronicle, Italian Chamber of Commerce in Japan . </P>

How many laferrari's are there in the world
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