The only difference I really see is the hump behind the drivers head. As far as concept-to-production watering down, I think this is probably one of the most true-to-concept incarnations in automotive history. Not sure where your gripe lies...
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2014 CC R-Line DSG | 2010 S4 Sold | 2010 BMW 135i Retired | 2006 Lotus Exige Sold