Vin is listed as 6ft everywhere I have seen.
And Dwayne is about 6'3. Probably aren't on level ground or standing the same
I know of a chick that met him, and she is 5'10, and she was looking down on him...
They must be doing a Green Mile thing, because look at that pic of them at a NBA game, he is smaller than the Rock and has shorter legs, arms, torso...