I am not sure about the weight but to me they are about equal. I had a set of Hoosiers and my 60' times were ok. I was told that they would get better with American Racers. I bought a set and 60' times stayed the same. I just do about two dry hopps and they are ready to go. THe Hoosiers seem to be a little wider than the American Racer tires. Hoosier use the first number which is the roll out where American Racer used tire size.