I have an '08 S80 T6 with the Sport Package which has the 18" rims. The OEM tires were Pirelli P6 Four Seasons that had a 97V Load and Speed Rating. This winter has been brutal on my tires and I've damaged three already in pot holes, so I'm looking to replace all four. I was interested in another tire, specially a Continental, but it's a 93Y. The speed rating is greater than the V but the load rating of 93 is less than the OEM 97. Think this is okay? Has anyone else ever gotten tires with a lower load rating than OEM?