the 19mpg are a mix of german "autobahn" (140-180km/h) with some traffic stops and city cruise.
btw... in city cruise i have only 9,4l/100km (25mpg). thats unbelivable for this kind of car. it's incredible how fast the battery is charged when braking.
but. on the autobahn at speeds over 200km/h the consumtion reached astronomical heights. 25-30l/100km. this is not a good speed for this car