In what the car's instrumentation describes as "Insane Mode," Tesla's all-wheel-drive, 691-horsepower Model S P85D electric sedan can reach 60 mph from a dead standstill in just 3.1 seconds.

JOLIET, Ill. - Before I ever drove a Tesla, I was a fan of the brand. From the tablet-like center stack to the free cross-country supercharging stations, I think this Elon Musk guy might be onto ...

As Tesla updates the specifications and equipment on its 2015 Model S lineup with all-wheel drive, new power and range specs, and available “Autopilot,” leftover 2014 models could make great Black ...