I agree with Herr Doktor. On a 124, 195/ 65-15's handle the best by far. I've used several sets of 215/60 -15's, and they felt heavy, though smooth. Righ now I have a set of 205/60-15's on one of my 124's and they feel almost identical to the 195/65's. Depending on brand of tire, I've found the rev's per mile for all the above sizes within 1% to 3% of being he same.
Ned Kleinhenz '95 E300D '85 300D '80 300TD
