I bought these as the first winter storm hit in the Oregon Cascades. Its been 6 weeks of constant snow storms, ice, and everything in between. We're nearing a record amount of snow in town, and the Cooper M+S tires (stock size 275/65R18) have performed flawlessly, even though I did not get them studded. If they were studded, I can only imagine how much better they would be on ice. I've only put 1000 miles on them so far, but as far as winter tires go, these can't be beat for the price.