Guess Audi is doing some track testing with the new E-tron before it debuts this august and maybe checking to see how the battery does under duress. Nothing will drain it faster than on track where you brake around corners before flooring it in straights.
https://www.carscoops.com/2018/05/audi-e-tron-electrifies-nurburgring-ahead-august-unveiling/
https://www.carscoops.com/2018/05/audi-e-tron-electrifies-nurburgring-ahead-august-unveiling/

