Give it a few years, things are changing very fast. Useful electric cars will be affordable in 20 years for sure; Tesla seem to be aiming much sooner. Anyway,

Give it a few years, things are changing very fast. Useful electric cars will be affordable in 20 years for sure; Tesla seem to be aiming much sooner. Anyway, even if nothing changes, in 20 years your £67K Model S will be on autotrader for £6K or less. You can pick up a 20 year Ferrari 456 GT for the price of a new Ford Focus and I'm sure they hold their value better than a Tesla will.