Mercedes announces electric SLS

How much does it cost, then? When it goes on sale next year, surely a neat sum more than standard...But what of the noise? That glorious funny-firing-order V8 jackhammer? Well, there's a "Power" button that activates a sound designed for "each driving situation" that's played through 11 speakers tucked around the cabin.

What noise do you think the world's most powerful electric car should make, TopGear.commers?