The problem there is that the owner of a car that’s good as far as they know (but not a given as a major repair of an older car could be just around the corner)

The problem there is that the owner of a car that’s good as far as they know (but not a given as a major repair of an older car could be just around the corner) may sell anyway so they can buy a new car even if they think they’re not getting a good deal. But certainly of cars that know they have major not easily detectable problems will be much quicker to sell or trade in. (I know.)