First we saw spy shots of it as it was being filmed in the heart of Berlin, Germany, then we saw some official sketches previewing it, now we have the first video footage of it ahead of its world debut next month at the 2011 Frankfurt Auto Show.

We are, of course, talking about the new 2011 Audi Urban Concept, a conceptualized preview of Audi’s vision for future mobility in congested urban environments.

In developing the concept, Audi’s design team focused on the strict principles of lightweight construction, efficiency and reduction. The result is a concept car with no unnecessary weight, but also efficient drivetrain technology. In this case, a e-tron electric drivetrain consisting of two electric motors powered by a lithium-ion battery.

For the rest of the details, click here for our previous story. And to follow our complete coverage of the 2011 Frankfurt Auto Show, click here.