The community is not an option, it's the mean of al the i3 users data... I think global...
The 15,1 average is based on a distance of about 50km where 30 km is B-road/city... There i often get 12,5 kwh/100km. The other 20 km is highway 120-130 where i get about 18,2 kwh/100km. All depending on...