Quote:
Originally Posted by KevRyd
Given that Xdrive is basically RWD 90% of the time.
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No. The default split is a 40:60 ratio.
This is why the xDrive version always understeers more than the RWD version of the same car. This can easily be felt in day-to-day driving, just as it can be felt in a pure front wheel drive car.
Yes, the xDrive system can send the torque back to the rear wheels when it really gets itself in trouble, but the car only developed the problem as a result of the xDrive system.
By way of contrast, a RWD car always has 100% of front tire traction available for cornering (unless it is braking, of course).
xDrive does not assist with cornering, but is beneficial in straight line acceleration on snow and ice. It does this quite well and is beneficial for those who are uncomfortable in snow with a RWD vehicle and/or do not want to run dedicated snow tires in the winter. There is absolutely nothing wrong with preferring an xDrive as one's vehicle of choice.