Audi A6 e-tron Concept Debuts at Shanghai Auto Show The battery-electric sedan is due to go on sale in North America in 2022 as a direct rival to the Tesla Model S. Audi previews plans to extend its growing lineup of dedicated electric-powered e-tron models with the unveiling of the A6 e-tron concept at the 2021 Shanghai auto show. The svelte liftback-style sedan is the first model to be based on the German automaker’s newly developed Premium Platform Electric (PPE) architecture – a structure developed in partnership with Volkswagen Group sister company Porsche. The all-wheel-drive A6 e-tron concept features a dual electric motor driveline with a combined output of 469 hp and up to 590 lb.-ft. (800 Nm) of torque.