Odds of finding good condition used 18" dedicated snows in Denver mid ski season don't seem that good. I run Continental Control Contact on my Forester year round. They are an all season that has a special center groove and additional siping for snow and ice. Pretty happy with them for the 5-10 days a year I might actually see snow and ice on the roads on the way to ski or that odd snowstorm that hits central NC every other year. I have cable chains handy if it gets really nasty.. never used them though since 2009.
Your situation definitely calls for dedicated snow tires. I'd say anything more than a week or two with good probability of nasty storm driving I'd feel much better having dedicated snows regardless of the expense... or chains.. But, chains don't play well with Subies.. You'll void your warranty for any damage caused by them and there is practically zero clearance in the wheel wells for them so I'd only use them for a mile tops to get out of a really icy spot, not all the way through the pass..Snow socks are another good option for a few miles here or there
8 weeks in Colorado skiing? Dedicated snows, no other safe option other than not driving in storms.. I don't think you'll find used ones when you arrive but you may be able to sell yours at the end of your stay there and put the duelers back on to go home.
Your situation definitely calls for dedicated snow tires. I'd say anything more than a week or two with good probability of nasty storm driving I'd feel much better having dedicated snows regardless of the expense... or chains.. But, chains don't play well with Subies.. You'll void your warranty for any damage caused by them and there is practically zero clearance in the wheel wells for them so I'd only use them for a mile tops to get out of a really icy spot, not all the way through the pass..Snow socks are another good option for a few miles here or there
8 weeks in Colorado skiing? Dedicated snows, no other safe option other than not driving in storms.. I don't think you'll find used ones when you arrive but you may be able to sell yours at the end of your stay there and put the duelers back on to go home.