The model appears to be based on the facelifted e-tron that has been undergoing testing for months. However, as a prototype, it will be wearing a specially designed camouflage because it is still keeping some of its secrets to itself.
There are currently no further details available, therefore we'll have to wait for the E-Cannonball's opening to learn more about the mysterious Audi prototype.
Audi e-tron prototype
The E-Cannonball is a tourist ride designed for electric cars and motorcycles. The goal of the event to prove that an long distance drive in an electric car can be done without any issues. Participants must start and finish the route. They are also required to stop at specified passage controls along the way but have freedom over which route they take within a given corridor and how they charge their vehicle.
Source: Audi
