The formula for making a coupe out of a crossover is simple: keep everything from the B-pillar forward exactly like it is. Beyond the B-pillar, the roof should flow down rather than lie flat, giving the vehicle a coupe or sedan-like profile. It should still ride high, giving the driver both ground clearance and a high seating position. While this vehicle appears to simply be a lifted Panamera, the final production version should retain a very similar overall profile, albeit with a more complete lower bodywork and Cayenne trimmings.
Some have speculated that this may be a Porsche Mission E test mule and that the ride height and plastic are meant to cover up the battery pack, but we disagree. When compared to Porsche's latest plug-in, the Panamera 4 E-Hybrid, the car in the spy photos lacks a spot for a plug. The flared fenders also fit more in line with an SUV than an electric sedan or coupe.
If this is indeed the upcoming Cayenne coupe, look for more photos in the coming months. We've recently seen spy shots of the new 2018 Porsche Cayenne, so it wouldn't be a surprise to see the pair debut sometime soon.