Things that are Porsches, but not actually.

Second-gen Scania LPGRS-range
Second-gen Scania LPGRS-range
GM XK inline six (used in the Chevy Epica/Daewoo Magnus/Suzuki Verona)
GM XK inline six (used in the Chevy Epica/Daewoo Magnus/Suzuki Verona)
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Lada Samara
Lada Samara
Harley-Davidson Revolution 60° V2
Harley-Davidson Revolution 60° V2
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Opel Zafira A
Opel Zafira A

What do these all have in common? Porsche Engineering Group GmbH.