I think that u gain performance because you have
-better mechanical grip due to the weight of the in-wheel motors (25kg each),
-better traction controll on every wheel independently,
-better weight distribution (the motors are in the wheel and that gives posibility to play with the placement of the other components)
You can even check my own project
viewtopic.php?t=4070&highlight=plug+hybrid+project
going slow as I can´t find time to work on it but hopefully I will...
