Audi Grandsphere concept, 2021. A design study for a “private jet for the road” the Grandsphere offers level 4 autonomous tech in an electric super saloon. Priority is given to front seat passengers who can enjoy autonomous travel and Audi’s “digital ecosystem” or deploy the minimalistic driving apparatus. Power comes from 2 electric motors. one for each pair of wheels, with a combined output of 700hp. Depending on how fast you want go range can be up to 750 km (466 miles) and thanks to 800-volt technology charging of 80% can be achieved in 25 minutes.