We know the Tesla Model S is a seriously quick machine, but just how much power does the electric car produce? We take to the rolling road to find out.

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Having already declared the Tesla Model S as a landmark car, the time comes to see just how much power those motors and batteries produce. Will it be enough to shame some of the world’s most exotic sports cars and supersaloons? Steve Sutcliffe takes a Model S to a rolling road to see how much bhp is generated on the dyno.

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Read Autocar’s Tesla Model S review: http://www.autocar.co.uk/car-review/tesla/s

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