Bayern want to sign the Manchester City star, but the price-tag make any more implausible.
But Goretzka says he does haven't to do anything to entice Sane to the Bavarian capital.
"Leroy knows that Munich is a very beautiful city," Goretzka told Bild. "No one has to make it very palatable to him. He knows that he can always ask me if he needs advice or wants to hear my opinion.
"I think that Bayern can definitely keep up in that regard. It's still one of the best and biggest clubs in the world. Leroy knows that.
"He's felt really good in England in the past few years. Now he has to decide for himself what the right move is."
Goretzka added: "One thing is clear: we would all be ecstatic if he comes. But I'll be damned if I put him under pressure or influence his opinion.
"I had a similar situation last year, had to make the decision for myself. And I was also of the opinion that one should do that best alone."