The majority of cars lose value after purchase however there are a few cars that don't. Cars that are special edition where very few are made or an old car that has become more of a collector car then a daily use one. I can probably name ten off the top of my head most of them are going to be hyper cars or old Japanese cars that are highly sought after. Plus in the past two years the price of cars both used and new has gone up given the chip shortages and price of fuel.

You're not taking into consideration of people who live in the middle of nowhere like in farmlands or somewhere in the woods away from civilization. Buses and railway isn't going to get you to everywhere you need to go. They can get you close but that won't always be true for every single town in the US. the rest of the journey will be up to the person on how they want to finish their trip.

I say this because my personal opinion are bus, Uber, my personal cars, or get a ride from someone I know. We don't have a subway like NYC does nor do we have a tramway like