Toyota Mark X late 1960s. Instead of being based on a modified Supra chassis "A" series platform, the Mark X continues to use the Toyota "X" platform, and does not share its platform with the Toyota "S" series platform used under the Toyota Crown and the Lexus GS. The continuation of describing this vehicle as the "X" series is a reference to the first dedicated Mark II platform introduced in 1972. Major changes to the Mark series are the engine and footwork. Toyota discontinued the straight-six engines used in the Toyota Verossa, which included the JZ series and the G series engines, and
Toyota concept vehicles (2000–2009) was first shown at the February 2001 Chicago Auto Show. The RSC was designed by Calty as a 'pure concept vehicle', with no intention to go into production but to 'connect emotionally with young buyers'. Design cues came from rally cars used in the World Rally Championships, with functional lines, a lack of luxury features and 'designed to convey the sparse, functional simplicity of a race car'. The RSC was based on the RAV4. The RSC was never made into a production vehicle. The FCHV-3 (Fuel Cell Hybrid Vehicle 3) was the third vehicle built by Toyota in its Fuel