Porsche reportedly planning S1 halo supercar powered by flat-eight engine

The short version

• German newspaper Handelsblatt reported that Porsche is developing a new halo supercar internally designated as the S1.[Jalopnik]
• The planned supercar would utilize a flat-eight engine, marking Porsche's first road-going vehicle with that engine configuration.[Jalopnik]
• The starting price for the S1 is estimated at approximately $600,000, more than double the cost of the 911 Turbo S.[Jalopnik]
• Porsche previously built and tested a flat-eight prototype in a Cayman chassis but shelved the project at the time.[Jalopnik]

Key facts

• German outlet Handelsblatt reported that Porsche is planning an internal project codenamed 'S1' featuring a flat-eight engine.[Jalopnik]
• The reported S1 vehicle is expected to carry a starting price of roughly $600,000.[Jalopnik]
• Porsche has previously deployed flat-eight engines only in race cars, including a 1960s Formula 1 car and the 908 sports car.[Jalopnik]
• Porsche had earlier tested a working flat-eight prototype within a modified Cayman chassis before deciding not to produce it.[Jalopnik]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

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