Originally Posted by Rob M
according to Goodyear, the all-season provides better ride comfort along with snow capability. on dry pavement it is suggested that they perform similarly, and the GS D3 gets a slight edge on wet pavement. it comes down to whether you expect to drive on snow occasionally and maybe price.
Ride and snow...likely true.
If their "max performance summer" tire with treadwear of 280 is not significantly better in the dry than their "ultra high performance all-season" tire with treadwear of 420, Goodyear is really doing something wrong.