Winter in upstate NY

Home with our young daughter today. Went out to run an errand. On the way out, going downhill, I passed a $50K Lexus that was trying to go uphill. It was half off the road. There's a trend in modern cars, especially luxury cars, for "performance" tires. Typically that means larger wheels and a higher aspect ratio (If your car has 225/60-15 tires, they're 225 mm wide, on 15" wheels, and 60 is the