Supercars is all about high voltage today! The high voltage showdown: We show electric cars with premium quality. The Mercedes EQS 450+ hast to face our test in the Swiss Alps. Is the Porsche Taycan Cross Turismo Turbo S the ultimate mobility all-purpose weapon? And: The Audi E-Tron GT is based on the same platform as the Taycan. We check what the sports sedan can deliver.