The Cadillac Escala has been compared to a Tesla Model S and Audi R7, sheer and smooth, with a liftgate rear door and an interior crafted in supple leather and burnished American walnut.

Where's the problem?" The automaker has already conducted trials involving driverless cars, and even smashed the speed record for an autonomous vehicle with its R7. Audi is not the only car ...

Audi Development Chief Ulrich Hackenberg, author of that hot new Audi R7 supersports car, Porsche may be Volkswagen’s new No. 1 shareholder, ...