The Mexican was stopped by Red Bull at the end of last season regardless of having two additional years on his contract after the group felt he had actually run out of time to show he might offer the required support for Max Verstappen.
Dan Towriss, chief executive officer of GM’s partner TWG Global, claimed Cadillac had actually taken into consideration signing a young and up-and-coming vehicle driver prior to validating this line-up.
“Their experience, leadership and technological acumen are what we need,” Towriss claimed. “We’re humbled by their idea in us and this job.
“There is a young swimming pool of vehicle drivers that are exiting and very skilled so it was a difficult choice. But it was the management of these two vehicle drivers that stood apart.”
Bottas said in a group statement that he really felt Cadillac were “ambitious but also grounded”.
He added: “This isn’t simply an auto racing job; it’s a long-term vision. It’s not every day that you obtain a chance to be part of something being built from the ground up and aiding shape it into something that genuinely belongs on the F 1 grid.
“I’ve had the honour of dealing with a few of the very best groups worldwide, and I can currently see the exact same expertise and hunger below.
“This is a renowned brand with a big tradition in American motorsport, and to be a part of the tale as it enters the world phase of F 1 is exceptionally unique.”
Perez added: “From our initial conversations, I might sense the enthusiasm and decision behind this task.
“To assist bring such a great business to F 1 is a big responsibility, one I’m certain of handling.”