Originally Posted by redline9001
Awd will always be better cause of more traction but the real question is do you really need awd... I drove my m3 on the worst weather days last winter and it hanlded it like a champ. The only days I don't drive it is when the snow is too deep and I don't want to rip the front bumper off. This would also be a problem in a s5...
I avoid driving it in deep snow or when they are spaying salt to avoid damage, but on the rest of the days with winter tires its not that different from my 335xi.