The build-up to the Champions League quarter-final clash in Lisbon has been spiced up by some bravado from the German side, with former players Lothar Matthaus and Giovane Elber both claiming that Robert Lewandowski is currently better than Lionel Messi.
"I have heard what Bayern have said, but I know the people there and I know what is talked about outside and what they think inside [the club]," Vidal said in Thursday's pre-match press conference.
"They are playing against Barca, not against teams from the Bundesliga. They are playing against the best team in the world."
And on the comparison between Lewandowski and Messi, the Chilean said: "Lewa is extraordinary. I was with him for three years and I know how he prepares.
"It's very difficult to compare anyone with Leo. He's from another planet. Although Lewa is the best striker in the world, together with Luis Suarez."
Vidal, who will return against Bayern after missing last week's 3-1 win over Napoli through suspension, hopes Barca can show their true level after losing out on the LaLiga title to Real Madrid.
"I understand that the fans have doubts," he said. "In LaLiga, we didn't reflect out level and that's why we lost. But we have Leo and other great players.
"That's why I saw we are the best team in the world and tomorrow we want to show it."