Most cars for Motability are new factory orders meaning unless there is a canceled order which you can be lucky to have, but have to have colour that is Available and there may be extras on it which you would have to pay for. I did see on ford website cars available in 4 weeks of the puma and when I called around dealers in early feb they told me Ford always do that and cars are not always available and that I could not even order a new puma ST automatic as there is a new facelift available in around August time and unless you can find a 2023 year model you would have to wait.
Tiny ..you can order “stock old model” and “factory facelift model” Puma ST on Motability they are both listed with their own Ref numbers.