Porsche Panamera Turbo v BMW M6 v Mercedes-AMG S 63: Ultimate luxury sports cars tested | Autocar

The new Porsche Panamera Turbo is a sensational luxury sports car. It manages to be both amazingly fast and supremely comfortable.
But does it do both of those things better than anything else in the class? We pitch it against the BMW M6 Gran Coupe and Mercedes-AMG S63 Coupe too, to find out which is best for both the driver and a captain of industry passenger.
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