I think it really depends on the mles you will be putting on the winter tires you buy. I know pleny of people who leave their snows on year round here in Michigan and get 3-5 years out of them, but then again they all usually dive 4-6K miles a year total. I will be putting 100 miles a day on my tires, that is why I went with the better wearing Nokian WR. I just got them put on this weekend, I will post when the snow hits. I do know they were awesome in the rain we had this weekend. I will be rotating them every 5K and balancing every 10K, I hope they give me 50K. For the peace of mind they give me with my pregnant wife driving so much, the price was worth it. I have yet to find a negative review on their winter performance.