I have a set of the 275/70/18 on my 08 ford half ton. Ive had them on for about a year, got about 10k miles on them now. They still look literally like they are brand new. I have nothing but praise for them, great traction, barely louder than the stock tires that were on there. They are definately heavier though, cuz my mpgs took a little hit. But I dont mind, I hate doing the tire switch thing in the fall and winter, so I decided on these and just run them all year. About half of it is towing (19 foot boat, two place trailer, or a sled deck, so nothing as heavy as a 4 place inclosed) never had any trace of the sway thing, though I dont think the 18's have issues with that. I will definately consider another set when the time comes.