This is the way: a Raspberry Pi and a clever approach got Android Auto up and running on the original head unit in a 2012 Honda Civic ...
A student-developer put off by the price of Android Auto head units has released the Linux-based Crankshaft OS that turns a $35 Raspberry Pi 3 with the official $60 Raspberry Pi seven-inch touchscreen ...
In theory, getting Android Auto in any car pretty much comes down to a head unit upgrade, as companies like Pioneer, Sony, Kenwood, and Alpine are already offering plenty of options in this regard.