For the first time since the 911 series was launched in 1963 Porsche have released a Turbo S variant. The Porsche 911 Turbo S is a highly tuned version of the 911 Turbo and boasts thirty more horsepower bringing the total to five hundred and thirty giving it an impressive top speed of three hundred and fifteen kilometers an hour. The car is available as both a coupé and convertible versions.