File:Opel Signum front 20070926.jpg - Wikipedia
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Opel Vectra C - Wikipedia, den frie encyklopædi
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File:Opel Signum rear 20070926.jpg - Wikipedia
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File:Opel Signum Facelift 1.9 CDTI rear.jpg - Wikimedia Commons
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Opel Signum — Wikipédia
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File:Opel Signum 1.9 CDTI Edition Facelift Starsilber.JPG - Wikimedia Commons
File:Opel Signum.JPG - Wikimedia Commons
