Sony says the XAV-AX8000 will be available in December 2019 for a suggested retail price of $599.99 in the United States.
Aftermarket receivers like this one allow for CarPlay and Android Auto to be installed in older vehicles. This particular Sony model is a wired CarPlay receiver, so an iPhone must be connected with a Lightning to USB cable. Wireless CarPlay receivers are available from brands like Alpine, Kenwood, and JVC.
CarPlay is Apple's in-car platform that enables iPhone users to access a range of apps from the dashboard, such as Messages, Apple Maps, Apple Music, Podcasts, Overcast, Spotify, SiriusXM Radio, Pandora, WhatsApp, Downcast, Slacker Radio, Stitcher, and as of iOS 12, third-party navigation apps like Google Maps and Waze.