Porsche has announced that its forthcoming 2017 Porsche 911 Carrera and Carrera S will support Apple's CarPlay platform. According to Moto Trend (via AppleInsider), Porsche selected CarPlay over Android Auto because under the agreement of partnering with Google, certain amounts of data would have been sent to the search giant.
Some of this data would have included vehicle speed, throttle position, and engine revs, all points of information that would constantly be flowing back to Google's headquarters each time a driver gets in the car. Comparatively, all Apple's CarPlay requires to know is whether the car is accelerating while the system is being used.
There's no technological reason the 991/2 doesn't have Android Auto playing through its massively upgraded PCM system. But there is an ethical one. As part of the agreement an automaker would have to enter with Google, certain pieces of data must be collected and mailed back to Mountain View, California. Stuff like vehicle speed, throttle position, coolant and oil temp, engine revs—basically Google wants a complete OBD2 dump whenever someone activates Android Auto. Not kosher, says Porsche.
Porsche's reasoning behind the decision points to not wanting to share the information with Google that could include the ingredients to its "secret sauce that makes its cars special," along with the fact that Google is reportedly building its own car at the moment. A few other vehicle manufacturers have announced support for CarPlay, but the service is just this year beginning to see a wider release despite being announced -- as "iOS in the Car" -- over two years ago.