In cars that only have rear motors, unless you apply the brakes (or they have some blended braking setup) then ALL regen is via the rear motor. Obviously, fron

In cars that only have rear motors, unless you apply the brakes (or they have some blended braking setup) then ALL regen is via the rear motor. Obviously, front brakes are capable of more braking, but the limit at the end of the day is the regen of the battery itself and how much the inverter can handle regen. RWD-only EVs are already capable of ~75kW of regen. Moving to FWD to try to gain regen is only marginally going to give you better efficiency, if anything. It only matters for harder braking.