It should be noted, that the Model S is also a larger vehicle. The Model 3 is much closer in weight, lenght and offers also 5 seats and a similar amount of trunk space. But yes, in general, electric vehicles are heavier thanks to the weight of the battery. roughly ~300kg extra. (yes, the pack weighs even more but it also serves a structural purpose in many EVs.

more than a Range Rover.

Really depends on the model. A base model Evoque yes, a Defender is pretty much in the same weight class.