The Autódromo do Estoril, officially known as Autódromo Fernanda Pires da Silva, is a motorsport race track in Portugal, owned by state-run holding management company Parpública. Its length is 4.182 km . It was the home of the Formula One Portuguese Grand Prix from 1984 to 1996. The capacity of the motorsport stadium is 45,000. The circuit has FIA Grade 1 license.
Its first years saw many national races, as well as an occasional Formula 2 race. However, the course soon fell into disrepair due to the owning company having been taken over by the state between 1975–78, and a significant redevelopment effort was needed before international motorsport returned in 1984.
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