2010 Porsche Panamera VS 2006 Mercedes-Benz CLS-Class

2010 Porsche Panamera

It's the four-door every other manufacturer feared Porsche could build. Capable in every way, even if you don't like how it looks. A game-changer.

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2006 Mercedes-Benz CLS-Class

Mechanically nearly identical to an E-Class, the CLS pioneered the "four-door coupe" styling that has spread across the automotive landscape.

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