He pinpointed Tito Vilanova's seamless integration after the Pep Guardiola era as a big reason for Barca doing so well.
"No-one expected such a big lead," AS quotes Pique as saying. "Madrid won the league and have a great team, so it is a very significant distance.
"Tito is doing great. He is doing no more and no less than Pep, just exactly what is needed. The team is performing at a superb level and we have not noticed the transition."
Barcelona host Getafe on Sunday.