2019 Audi A8: The Uber-techno Flagship Sedan Published on October 16, 2017 in First Drives by Gabriel Gélinas Photo: Audi AG 2019 Audi A8 - In tight corners, the four-wheel steering system turns the rear wheels in the opposite direction of the front ones by up to five degrees, making this large sedan much more agile at speeds below 60 km/h.