Loosely translated from German, the video description states:

"This comparison is not purely to show how much potential there is in a pure electric car by bragging or anything, but..."

Actually, we're sort of surprised to see how well the BMW i3 fares against the much more powerful Audi RS5.

The RS5 has 444 HP, compared the i3's 170 HP, but the much lighter i3 actually give the RS5 a run for its money, even beating it for awhile in the 30 to 140 km/h race.