Many analysts have seen South Stream as a rival to Nabucco, but according to Okumus, it's the Trans-Anatolian pipeline that is Nabucco's real competitor.
Mulţi analişti au considerat că South Stream este un rival al Nabucco, dar, potrivit lui Okumus, Conducta Trans-Anatoliană este competitorul real al lui Nabucco.