On this episode of Head 2 Head, Motor Trends Jonny Lieberman pits the 2013 BMW M5 against the 2013 Porsche Panamera GTS in an epic super sedan .\r
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just a sunday morning trying to keep up with this beast. On this episode of Head 2 Head, Motor Trends Jonny Lieberman pits the 2013 BMW M5 against the .\r
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The new Panamera underscores its exclusive positioning with an even more expressive design language, which is characterized by tighter lines, more .