EPA have now realised the official range of Model X. They have only do it for P90D and 90D witch they have never test on Model S so you can't compere exactly but you get something at least
BREAKING: EPA Rates Tesla Model X Range - 90D 257 Miles, P90D 250 Miles
BREAKING: EPA Rates Tesla Model X Range - 90D 257 Miles, P90D 250 Miles