Mid - Range acceleration is, broadly speaking, 60-100Mph. Some cars may be faster at 60-100 than they are for 0-60Mph. We have a problem in that manufacturers didn't want this stat to be public facing, so although it's in the game we can't show it. Power and Torque will affect these stats, so it’s best to go for a car with higher stats if you are getting beaten by mid-range acceleration.