The problem may not be so bad for EVs designed for purely urban settings due to the lower speeds they achieve, but when you are building a supercar EV some sort of noise capable of alerting pedestrians to the presence of the car needs to be factored in.
Since announcing that it would build an R8 e-tron Audi sound engineers have been busy working on a suitable noise to go with the car. It needs to sound sporty but also encapsulate the electronic nature of the drivetrain. The end result, which you can hear in the handily provided video, sounds like something out of a science fiction movie and suits the nature of the R8 e-tron perfectly we reckon.
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