<Tr> <Th> Layout </Th> <Td> Longitudinal mid-engine </Td> </Tr> <Tr> <Th> Related </Th> <Td> Audi S and RS models </Td> </Tr> <P> The Audi R8 (Typ 42) is a mid-engine, 2 - seater sports car, which uses Audi's trademark quattro permanent all - wheel drive system . It was introduced by the German car manufacturer Audi AG in 2006 . </P> <P> The car is exclusively designed, developed, and manufactured by Audi AG's high performance private subsidiary company, Audi Sport GmbH (formerly quattro GmbH), and is based on the Lamborghini Gallardo platform . The fundamental construction of the R8 is based on the Audi Space Frame, and uses an aluminium monocoque which is built using space frame principles . The car is built by quattro GmbH in a newly renovated factory at Audi's' aluminium site' at Neckarsulm in Germany . </P>

How many seats does the audi r8 have