The Honda S2000 is a front-mid engine open top sports car that was manufactured by Japanese automobile manufacturer Honda, from 1999 until 2009. First shown as a concept car called the SSM at the Tokyo Motor Show in 1995, the production version was launched on April 15, 1999, to celebrate the company's 50th anniversary. The S2000 is named for its engine displacement of two litres, while "S" stood for "sports" carrying on in the tradition of the S500, S600, and S800 roadsters of the 1960s.