> Now, if you keep buying new cars to keep up with the latest features, that's a problem. It depends on what happens to your old cars (and they're mileage rati

> Now, if you keep buying new cars to keep up with the latest features, that's a problem. It depends on what happens to your old cars (and they're mileage ratings). Many people are driving more inefficient cars and would upgrade if affordable used cars were available. The market can absorb more than a few yearly upgraders, though of course after a point it is a waste.