BBC F1 co-commentator David Coulthard is rendered speechless after getting the chance to drive a 2014 Williams at Silverstone.

First off Coulthard gets to drive Keke Rosberg's 1982 Williams while current driver Valtteri Bottas steps in to Damon Hill's 1996 title winning car.

Former Williams driver Coulthard says the power is amazing in the new car and describes the experience as being like a "magic carpet ride".

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