It has been said that people don't always use their cars until they fall apart, but sell them first. This means depreciation should be a large factor in deciding when to sell. How much is a 10 year old trade-in worth? After 20 years? Is there a point in the life span of a car good for 20 years that the owner would rather trade in now than lose what value they have left?
To pose another question: What effect would long lasting cars have on the used car market? Brian Keith
