Tesla’s Autopilot ventures beyond the Mercedes-Benz S-class Intelligent Drive in three areas: it will control your direction of travel for miles on end versus the Benz’s 11 seconds, with no hand contact on the steering wheel; it executes lane changes on command; and it provides automatic parallel parking when conditions permit.
Source: blog.caranddriver.com
If Apple ever builds a real car, it will be a Tesla. My friend has one, I hope he gets the update to autopilot OTA.