On Thu, 01 Dec 2016 14:26:32 -0500, Poco Loco
wrote:

The owners had a choice - buyback or a fix. No one really new how the 'fix' would affect the new
mileage, performance, or future value.

Of course everyone knows. Mileage will go down when they tune the
computer for lower emissions. Otherwise they would not have cheated in
the first place.