R1Tom
Well-Known Member
How about regenerative braking? Does the DM kick back in the rear motor for that or does it simply stay in front wheel drive and only use the front motor for regen? Does that reduce the amount of regenerative braking available vs. a QM?Actually, it is better than that. DM uses the rear motor and the front motor when you start moving. It de-couples the rear motor when the torque decreases, you reach about 20 mph. You keep accelerating and the rear motor stays engaged. The rear motor is geared differently for more torque for this reason. So you use both motors to get started, and then it settles in on the front motor. It is very smooth and you don't notice the decoupling. If you punch it to pass someone or accelerate, the rear motors kick in. The QM in conserve mode doesn't do any of that, it is just the front two motors. The PDM is the same as the DM, except that there is more horsepower when all four motors are engaged. I've owned QM and DM and I prefer the DM. The efficiency is very good, I'm getting 2.5 to 2.6 for 30 mile trips when I precondition.
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