Bortoleto mentioned: “This is without doubt one of the most enjoyable initiatives in motorsport, if not in all of sports activities.
“Past merely being a member, I goal to develop with this formidable challenge and attain the top of motorsport.
“Mattia was tremendous assured in regards to the Audi challenge and the way I may develop as a driver as effectively.
“I see so much myself on this challenge. I wanted to persuade him far more than he wanted to persuade me, however I recognized so much (with it).”
Binotto, who was Ferrari crew principal from 2019-22, said last month that turning Sauber into a winning team under the Audi name was “not only climbing a big mountain, it’s climbing Everest”.
He mentioned in a video launched by Sauber on Wednesday: “It would take a number of seasons to grow to be a a aggressive crew. Our goal will probably be to be aiming to battle for a championship in 2030, and even that may be very formidable.”
The crew launched separate statements thanking them for his or her work.
Bottas, who made his debut in F1 for Williams in 2013 and received 10 races in his 5 years at Mercedes as team-mate to Lewis Hamilton from 2017-21, mentioned: “A scenario like that is by no means simple for anybody. However in spite of everything the nice and in-depth discussions we had up to now weeks, we realised that the situations to develop this challenge collectively weren’t met.
“These previous years with the crew have been an unbelievable journey, stuffed with development, challenges, and unforgettable moments.
“Although it’s time to maneuver on, I’ll at all times carry a bit of this crew with me, and I look ahead to seeing what the long run holds for us each.”
Bortoleto provides Brazil a full-time presence on the F1 grid since Felipe Massa left the game on the finish of 2017.
The nation is without doubt one of the most profitable in F1, with former drivers together with a number of world champions Emerson Fittipaldi, Nelson Piquet and Ayrton Senna.