I attempted to get my loan through USAA, who I have used for my past 4-5 loans. They were definitely biased against Tesla (long story short, I was told that the cars were basically vaporware and I'd never really get it...) They denied. No reason, said it would come in the mail. (My credit score is well above 800). As I've had 911s ($75k, $55k) Boxster ($55k) Cayenne ($40K) and Jaguar (~$30K) financed with them and had paid off early on each and every loan, I was shocked. Did the Tesla app and had an approval in under 6 hours. Easy, painless and with the guaranteed buy-back. Guess things happen for a reason. I would run it through Tesla before doing a co-sign...