Have LT265/70/R17C KO2's on my Alaskan 1/2-ton, 4-door, 4WD Silverado. They are 3-peak mountain snowflake-rated. These tires are good to excellent in snow of all depths, and average to good on ice. In all other conditions, both on and off-road, they are excellent. IMHO, the KO2's saving grace...