If a vehicle is repossessed by the dealer that sold it to you and resale’s the vehicle for more then you owed on the loan, who would be entitled to the extra money?

Of course you need to refer back to your loan agreement, but it is possible if this ever actually happened, you would be

But of course their will be other fees added there would be the repo fees, there would be storage fees awaiting for the sale, the cost of the sale, and so on. The normal situation would be that after it is sold more is still owed than was originally owed.

The lesson here is to have sold the car yourself before it came to it being repossessd, then you might have easily pocketed the difference. Even if it had been at a break even, you'd still be ahead by not denting your credit like you did.