 Additional sedan models also feature inline-four diesel powertrains, and an F marque version, the IS F, features a V8 engine.A pre-production car of the second generation IS model was first shown at the 2005 Geneva Auto Show, with the production version debuting at the 2005 New York Auto Show.The second generation was only available as a sedan until the two-door coupé convertible variants debuted in 2008.