Currently own a Model S 75 RWD 2017 44k miles. Autopilot enabled. RWD. Out of warranty. Bought it for 40k, and now being offered 44k for it so I said why no try to make a profit.
Looked at a model 3 performance stealth 2019, 14k miles, FSD enabled. Still got about 18 months of warranty. AWD...