It will be the first time both have been seen in Europe.
The Japanese manufacturer is calling the new 6 the most 'comprehensive' update the model has ever had, with a completely re-worked body, as well as a revised interior and even more safety features which includes a 360-degree view monitor for parking manoeuvres and an intelligent speed assist system.
Alonside the new car will be Mazda's new Skyactiv-X petrol engine. The engine uses an innovative combustion method Mazda calls spark controlled compression ignition (SPCCI), and is set to become the world's first commercial petrol engine to use compression ignition, which apparently has all the benefits of a traditional petrol engine, but the response and economy of a diesel.
Also on display will be the Kai and Vision Coupe concepts, the latter of which was recently crowned 'Most Beautiful Concept Car of the Year'.
Powered by the company's next-generation Skyactiv-X petrol engine, the Kai concept showcases what Mazda calls a 'more mature expression' of its distinctive Kodo design language. As well as previewing the company's future design direction, the Kai concept also offers a quieter ride with improved performance that will also find its way on to future models.
Gallery: Mazda 2017 Tokyo Concepts
The Vision Coupe gives another idea of what Mazdas of the future will look like, with the Kodo design 'achieving a simple “one-motion” form that conveys a sense of speed', while the interior gives the impression of increased space while emphasising motion.
The Vision also gives a nod to previous Mazda coupes, the Mazda R360, Mazda’s first passenger car and the Mazda Luce Rotary, also known as the Mazda R130.