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In page Porsche:

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The two companies collaborated in 1969 to make the VW-Porsche 914 and 914-6, whereby the 914-6 had a Porsche engine, and the 914 had a Volkswagen engine. Further collaboration in 1976 resulted in the Porsche 912E (US only) and the Porsche 924, which used many Audi components, and was built at Audi's Neckarsulm factory, which had been NSU's. Porsche 944s were also built there,[1] although they used far fewer Volkswagen components. The Cayenne, introduced in 2002, shares its chassis with the Volkswagen Touareg and the Audi Q7, which is built at the Volkswagen Group factory in Bratislava, Slovakia.