The Turin club will meet Scottish champions Celtic in the Champions League Round of 16 in February and Annoni suggests it will be a tough task for the Glasgow giants as Antonio Conte now has a very strong line-up from a defensive viewpoint.
"Compared to the great Juventus teams of the past featuring Zidane and Del Piero, this side is less spectacular," he told SunSport.
"However, the side built by Antonio Conte is a lot more concrete - more solid.
"I want Celtic to win. I really hope they can make the last eight of the Champions League.
"However, it will be very difficult for them against Juve - especially in Turin."
He added: "Nobody in Italy has been surprised Celtic have had success in this season's Champions League.
"Anyone who has watched them will know that have a great team and a very good coach in Neil Lennon."