Whoosh, buzz or hum?! Formula E stars impersonate their cars

Impersonating a Formula E car
Impersonating a Formula E car

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    Impersonating a Formula E car

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Impersonating a Formula E car 01:34

(CNN)What is that noise?!

Some have likened it to a futuristic spaceship, others to a disgruntled cat -- but what do Formula E drivers think their cars sound like?
We asked the stars of the electric racing series to give us their best Formula E car impression and here are the results ...