The Ivory Coast global has made 229 Premier League appearances in his eight seasons at Etihad Stadium and been a driving force behind the side which won two league titles, an FA Cup and two League Cups.
Toure, who signed a one-year contract at the end of last season, joined City from Barcelona in 2010.
Touré wants to continue playing and his preference is to remain in England.More news: Check Out New Footage of Beyond Good & Evil 2's Characters and Spaceships
In the event that Mbappe shuns City, however, Goal predicts that they will turn their attention to 20-year-old sensation Leon Bailey.
The box-to-box midfielder has failed to start a single Premier League game for City this season as his side clinched the title in emphatic fashion.
Guardiola said: "The Brighton game we will give him what he deserves, one of the most lovely farewells a player can receive".
And since our Premier League title win, delivered with five matches to spare, we've been speaking to Pep to get an insight into the way he sees the game.More news: Apple reveals mighty iPhone X sales news ahead of June event
A big-game player, a midfield machine and one of the most technically gifted footballers to play in English football. And hence a maiden Premier League crown succeeded the following season.
Guardiola said Belgium global captain Vincent Kompany and England defender John Stones were fit and ready for Sunday's league game against Huddersfield Town after earlier injury problems.
It helps us to keep our performance and play the same way as we have all season. "Where we are in this moment is thanks to what this guy has done". "He was a key player". "We have three more games. We have time for everything in life", he added.More news: A Second Star Wars: Episode IX Character Description