It was assumed that the Audi E1 will be out of a four-door compact city car, designed on the basis of the concept Volkswagen Up!, Who will receive not only the version with electric propulsion, but also modifications to gasoline and diesel engines. Later, Head of Audi Rupert Stadler said that the German company has no plans to release its version of small car Up!, But intends to focus on the development of new small crossover - the smallest in scale. On the prototype, photographed in Berlin, until we know only that he has two seats arranged one behind the other, and is equipped with an electric motor. A similar prototype passenger compartment had a VW-Liter sample in 2002, spent only one liter of diesel per hundred kilometers. In 2009 introduced a new version of this machine called 1L, and in 2011 came the concept of XL1, which has a hybrid power plant and consumed by "hundreds" 0.9 liters of fuel.
