Mercedes CLS AMG vs Porshe Panamera GTS – Fifth Gear

The guys are putting the Mercedes CLS AMG and the Porshe Panamera GTS to the test on the Castle Combe circuit but in a moment of madness, Vicki gives the keys to Johnny. For more fantastic car reviews, shoot-outs and all your favourite Fifth Gear moments, subscribe to our Official Channel – https://www.youtube.com/user/fifthgearuk

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