VW van centre rang me to tell me that my 245s on the front were 45 and the 275s were 40 and the difference in profile would destroy my haldex and wanted me to allow them to put 245/40 on the front. He couldn’t understand when I tried to explain how tyre profiles are worked out.Yep 245/45/20 on the front and 275/40/20 on the rear. Plenty of choice with 275/40/20 as they are a popular tyre on other vehicles. Also with this set up the rolling radius is virtually the same.
Wonder how many 4Mo they’ve destroyed with that stroke of genius?