Gran Turismo 6, will it be released on the PS3 or PS4?

Later last week Sony announced that there will be a reveal involving the Gran Turismo series this week in spirit of the franchises 15 anniversary.  Its pretty obvious this reveal will announce the long awaited Gran Turisom 6, but what system will this game come out on?

Gran Turismo 5 is the most sold PS3 exclusive with over 8 million copies sold to date. These huge sales could translate to even bigger sales if it releases on the PS3 because they have sold way more PS3 sense Gran Turismo 5's release in 2010. Sense theirs more PS3 sold, the more people there are that can purchase the game. Sony will most likely sell Gran Turismo on the PS3, because it is almost a guarantee to get big sales and can help PS3 sales even after the PS4 release ( depending on when the game gets released ).

On the other hand Gran Turismo could be released on the PS4. If its a launch title ( which it most likely would be if released on the PS4 ) this would sell a huge amount of units. Unfortunately if released on the PS4 it would almost certainly have much less sales then it would on the PS3. It would be a double edged sword because it would increase PS4 sales but decrease game sales.

Drive Club

Gran Turismo 6 defiantly has a better advantage selling on the PS3. Sense of the guaranteed big sales it will see. Also its good to note that if the Gran Turismo would release on the PS4 it would have to compete with another Aony exclusive driving game: Drive Club. I highly doubt Sony would pit there 2 racers against each other ( escpecially sense Gran Turismo would take most of  Drive Clubs sales. ). Either system its released for Gran Turismo will see big sales, but its all up to Sony's descion. Would they rather like monster sales on the PS3 and push a few more systems in the wake of the next gen console era or release for the PS4 to push more consoles at launch?