What is the nationality of the racing team that developed the Toro Rosso STR6 ?
Toro Rosso STR6 The Toro Rosso STR6 is a Formula One racing car developed by Scuderia Toro Rosso for the 2011 Formula One season. It is the second car that the team has built entirely on their own following the introduction of regulations that banned the use of "customer chassis", a chassis developed by one team and purchased by another (prior to 2010 Toro Rosso used a customer chassis from its "big brother" Red Bull Racing).
Toro Rosso STR4 The Toro Rosso STR4 was a Formula One car which Scuderia Toro Rosso used in the 2009 Formula One season. The car was revealed to be a Red Bull RB5 with a 2008-spec Ferrari 056 engine in Barcelona on March 9, 2009. It was revealed before the testing session.