Have not driven the DBX as no interest in SUV, so cannot comment on the AM.
I did have a Panamera and I have to confess still prefer the styling and solidity of the car. I never had any rattles and it was comfortable with a really easy to access boot plus no range anxiety.
Having said that, I...
I was never tempted by the Tesla. I sat in a Model S (admittedly a few years ago now) and the interior was really cheap - like an old taxi with Vinyl seats. Never drove the car so cannot comment on handling and performance.