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
Luxury vehicle than . This bracket includes the full lineups of Rolls-Royce and Bentley, as - unlike mainstream luxury brands such as Audi, Porsche, BMW, and Mercedes-Benz - these marques do not offer lower-priced, entry-level luxury or mid-luxury cars. As of late 2011, super luxury automakers have been "pledging higher sales and offering ever sexier models" despite the economic uncertainty. In Asia, one vehicle is recognized as being ultra-luxurious and very exclusive; the Toyota Century. First introduced in 1967, it was only available with a V8 engine until 1997 when it was introduced with a V12 engine, the only Japanese built vehicle