The vast difference in EPA figures didn’t amount to much in the real world.

When the  Porsche Taycan‘s first EPA range figure exposed itself to the public, the outcry was  swift and decisive. Even those not strong in math might realize that a paltry 192-mile rating for the Taycan Turbo S is a huge miss compared with the 326- or 348-mile figures that the  Tesla Model S Performance gets.

Source: In Our Testing, Porsche Taycan Range Nearly Equaled Tesla Model S

But in a real world test, the two vehicles range measure are almost identical. Hmmmm.