Bridgestone Blizzak fan here- I’ll get close to 3 years on them - my 3/4 ton 4wd hauls a lot of stuff- from 30' catamarans to doing 7k miles with a heavy [maybe too heavy?] camper with fishing boat in tow .... living in the Rockies at 8000' the UV just eats up tires- on my cars I have too often had to change because…