This tandem two-seater research vehicle was the dream of former VW Group chairman Ferdinand Piech, and his final act as boss was to drive the car from his Wolfsburg office to the VW shareholders' meeting in Hamburg. He recorded an amazing 317.4mpg at an average speed of 43.5mph. Before the car is retired to the museum, VW gave us the chance to drive it and prove the figures were for real.
The strange-looking coup
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