There is also large weight differences between a Model S P100D and Model S 40 and they don't specify which one they are talking about. I would not be surprised

There is also large weight differences between a Model S P100D and Model S 40 and they don't specify which one they are talking about. I would not be surprised if weight was an important factor in the results (there is an even a larger weight difference between basic Model 3 and Model X 100D)