The Porsche Cayenne has been credited with turning the company from a relatively small automaker into a global powerhouse which once unsuccessfully tried to buy Volkswagen so it comes as little surprise the company's has a lot riding on the next-generation model which will be introduced late next year.

Recently caught undergoing testing in Germany, this 2018 Cayenne prototype doesn't reveal much about the upcoming model as it is based on the outgoing crossover.  However, previous spy photos have shown the Cayenne will have a new active rear spoiler.

The model is expected to have an evolutionary design but the interior will likely follow in the footsteps of the new Panamera. This likely means we can expect a new steering wheel, a revised instrument cluster, and a new center console with capacitive-touch controls.

Porsche has been tight-lipped about technical specifications but the 2018 Cayenne will ride on the same platform that underpins the Audi Q7 and Bentley Bentayga. The platform uses a combination of aluminum and high-strength steel which could enable the Cayenne to weigh as much as 220 pounds less than its predecessor.

Engine options remain unconfirmed but the model is expected to be offered with an assortment of six- and eight-cylinder options.  There should also be a diesel and a plug-in hybrid variant with an increased electric-only range.

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