How Does Gran Turismo 6 Compare to Driveclub/Forza 5?

[KingdomHeartsFan]

Gran Turismo 6:

                                            

Gran Turismo 6 trailer:  http://www.youtube.com/watch?v=QTVU838725c

Driveclub:

                                       

(If you want to see bigger pics here's the link: http://www.videogamer.com/ps4/driveclub/screenshots.html)

Driveclub gameplay: http://www.youtube.com/watch?v=OZUVXAuCIqA

Forza 5:

                                         

(If you want to see bigger pics here's the link:  http://www.videogamer.com/xboxone/forza_motorsport_5/screenshots.html)

Forza 5 gameplay(skip to 1:30): http://www.youtube.com/watch?v=U_NySJyi2pw