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Jorix, i’m no engineer, but I do know the x drive is a mechanism that checks the traction every 10th of a second on the rear wheels. If in that time it senses traction loss, drive to the rear wheels is engaged.
And if driving a good distance on snow, the car will stay in 4 wheel drive. I recall one trip to the Alps with serious snow on the roads (lorries ordered off main roads) most of the way from about Reims onwards.
In the case of the new hybrid I understand the electric side has to be charged. How long will the electric rear wheels stay giving the same effect as x drive on a long run with snow? Charging after 30 miles or so may not be possible or convenient.
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