You will not get anywhere near 145Wh/km I feel.....I am able to get my Model S down to about 145Wh/km but this is 'trying' to get it to this under ideal conditions....I have an average of around the 185Wh/km and if you ask around that is extremely good going for a Model S with 21inch wheels.
I am tipping people's real world average on Model 3's (once the initial I'm going to floor it at every chance wears off) will be around the 190-200Wh/km.
My wife's Model X (75D, usable of around 73KW when 100% charged) is meant to be 417km's at 100%, at the moment we would be lucky to get 300km's (absolutely lucky)....has me greatly concerned actually.We do have the 22's on the X so even if one takes 8% off of the 417km's it is still some 22% less than advertised and that is of a great concern.....I have been told to expect 250WH/km on a Model X, no way in hell can an X come anywhere near to averaging 180WH/km on real work driving...period. False advertising?