According to Matthew DeBord from Business Insider, it’s Cadillac Super Cruise, which he rates as better than Tesla Autopilot or Mercedes-Benz Drive Pilot.
Super Cruise was superb, in my limited time with the tech, and when it was willing to operate. It’s a hyper-conservative approach to Level 2 autonomy — the level at which the driver must monitor the system, but can consider taking his or her hands off the wheel while being prepared to resume control when prompted.
David Silver 