The Lexus HS (Japanese: レクサス・HS, Rekusasu HS) is a dedicated hybrid vehicle introduced by Lexus as a new entry-level luxury compact sedan in 2009. Built on the Toyota New MC platform, it is classified as a compact under Japanese regulations concerning vehicle exterior dimensions and engine displacement. Unveiled at the North American International Auto Show in January 2009, the HS 250h went on sale in July 2009 in Japan, followed by the United States in August 2009 as a 2010 model. The HS 250h represented the first dedicated hybrid vehicle in the Lexus lineup, as well as the first offered with an inline-four gasoline engine. Bioplastic materials are used for the vehicle interior. With a total length of 184.8 inches, the Lexus HS is slightly larger than the Lexus IS, but still smaller than