The Ivory Coast international has already picked up a host of honours in his playing career, including two La Liga titles and the Champions League with Barcelona as well as the FA Cup with City last season.
However, Toure claims if he can help City land the Premier League crown this season it will surpass his previous achievements as he sees the English top flight as one of the world's hardest competitions.
"At Barcelona, it was sometimes so easy to play because we were a lot better than the other teams so to play as a defender in the Champions League final was not as difficult as you might think," Toure told the Daily Mail.
"We were amazing that year so it was not that hard. Here at City we have different challenges and to me the Premier League means everything. You have to understand that I mean that."
He added: "When I signed for City I called my brother (City defender Kolo Toure) and told him if we won any cup I would be so happy. We won the FA Cup last season and that was great. But the big target now is the Premier League.
"If we win the Premier League I will go crazy."