MB's Active Body Control suspension system is standard on the SL550, and the degree to which ABC negates body pitch, roll and squat is almost eerie.

WSJ: 2013 Mercedes-Benz SL550 Review: The Beauty Is All on the Inside | Rumble Seat by Dan Neil

Ford's outfitted the Fusion Energi with a dizzying array of driver-assist tech, including a lane-keeping system, adaptive cruise control, driver alert system, active park assist, rear camera, blind-spot indicator system with cross-traffic alert and pull-drift compensation (phew).

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The revised adaptive cruise control system is now offered with Porsche Active Safe (PAS).

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This is made possible by an active articulated torsional drive unit, which in combination with a complex control system attains an unprecedented level of efficiency in flight operation.

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Between the blind-spot monitoring system, the active lane-keeping, the adaptive cruise control (maintaining a set distance to the vehicle ahead), and the "precollision" system, which uses internal cameras to monitor drivers' faces for signs of inattention, the GS350 is about as close to an automated auto as you'll find on the market.

WSJ: 2013 Lexus GS350 Review: Loaded With Everything but Thrills | Rumble Seat by Dan Neil