Originally Posted by Dascamel
Even though the shift can be 200ms, is the car still providing power to the tires during the shift?
The car is not only accelerating during the entire S4 shift, it is accelerating MORE than the background, steady state acceleration (i.e. that due to the car pretty much being pegged!). In D3 the car actually very briefly (~15 ms) decelerates, but again one can't feel it.