i mean honestly, you will provide whatever they ask for...It is in the dealerships best interest to finance in house....likely best overall compensation for manufacture financing save a predatory auto loan, which likely isn't found at a porche dealership...
I can see plenty of BS occuring from a stealership but getting you approved is one thing they are foaming to get done, and would get done with an I.O.U if any bank would accept that in lieu of a credit check