There is a huge difference between these new tires and the old. The old tires only had 18.5k miles on them but now that I can compare, they rode much stiffer. These new tires glide and seem to handle the road much better. I'm happy with the tires, but the service had a lot to be desired. You could tell the guy who waited on me didn't want to be there. Then, the tire pressures were not right after installation. The left-front measured 37, left-rear measured 36, and both right-side tires measured 31. I corrected that once I got home. All tires are now at 35psi.