Given that the GranTurismo Sport is still on the market, this option may be more powerful and sporty, or is another special edition.
It is felt that this prototype is only a platform for testing new components and assemblies for new versions of the company. In the example shown the strange similarity between the exhaust pipes have, if only from the GranTurismo MC GT4, but to talk about replacing the car is not necessary.
But it seems more plausible version of the usual update Maserati GranTurismo, which is already more than three years, possibly with new engine choices, the estimated capacity in the range 470 ... 500 hp
