Porsche S-Line

The first Porsche to wear an "S" badge was the 1952 356 equipped with the 1.5-liter "Super" engine.

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The scripted "S" on the rear decklid is the quickest way to tell the exclusivity of the car. From a 2006 Porsche Cayenne Turbo S.

Perhaps the most famous "S" model in the company's history was the 911 S launched in 1967, though modern Porsche enthusiasts might tell you their favorite is the 911 Carrera 4S. In recent years, Porsche has offered higher-performance models of the Boxster roadster and Cayenne sport utility vehicle designated as the Boxster S and Cayenne S.