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 and obsessive luxury help to convince customers that a Bentley is worth the price" which is at least twice that of a flagship luxury car from BMW or Mercedes-Benz. Although Rolls-Royce and Bentley have traditionally been considered "as a purveyor of boxy British land yachts", newer offerings such as the Bentley Continental Flying Spur and Bentley Continental GT have appealed to younger buyers. Maserati vehicles such as the Maserati Quattroporte have traditionally been priced as ultra-luxury cars, although the new Maserati Ghibli III is intended to compete with high-spec executive cars, such as the Audi S6/S7, BMW 550i and Mercedes-Benz