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 - The standard quattro all-wheel drive system and eight-speed automatic gearbox enabled the A8 55 TFSI to accelerate from 0 to 100 km/h in 5.7 seconds, a very respectable figure for a large luxury sedan.