Words are being exchanged within the motoring fraternity in Japan, that the new Toyota Mark X sedan will be launched in October this year. The new model RWD is expected to be powered by a 2.5L and a 3.5L V6 engine. These engines would be mated to an automatic transmission. The outgoing model is offered with a 211HP 2.5 liter GR V6 or a 253HP 3.0 liter V6