Detectives have released a CCTV recording of a man seen in broad daylight using a knife to cut his way in to a red sportscar in Mayfair, London, before climbing in.
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The man, who is black and believed to be in his twenties, is seen trying to steal a porshe sports car but despite his efforts, fails.
The thief then climbs back out of the Porsche, jumping off its spoiler.
The attempted car theft took place at 7.45am on Tuesday, September 29, in Mill Street, Mayfair.
Despite the Porsche's alarm blaring and its lights flashing a number of pedestrians walked past without confronting the man.
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See the funny photos above.