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Earlier this year we caught a glance of the third-generation Porsche Cayenne which isn’t due to reach the market until late next year, and more recently we had a peek at the upcoming SUV’s interior; this time around a test mule has been spotted undergoing hot weather testing in Spain.

Just like the new Audi Q7 and the Bentley Bentayga, the upcoming Cayenne will be built upon the Volkswagen Group’s new MLB Evo platform, which should help the big Porsche save a significant amount of weight as the Audi SUV has done, which has managed to save up to 325 kg.

Externally, the Cayenne mule seems to have grown a new tail lamp design since it was last spotted with the light cluster from the current iteration, however bearing in mind it still wears disguise, it’s expected that more of its true form is yet to be revealed.

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The third-generation Cayenne also sports a sleeker dashboard design with fewer buttons, compared with the button-heavy layout in the current model. In that respect, it will be similar to the new Panamera’s dashboard architecture, which features a 12.3-inch touchscreen in the centre of the dashboard.

As such, it can be expected to adopt much of the new Panamera’s updated Porsche Communication Management (PCM), which includes the online functions of Porsche Connect, smartphone integration via Apple Car Play and a new voice control system that responds to natural language input.

The upcoming Cayenne can also be expected to carry over the full complement of petrol and diesel engines from its current lineup, in similar V6 and V8 configurations. A petrol-electric hybrid in the guise of the Cayenne S E-Hybrid could also make a return.