Bob We put those on my wife's A6 4.2 in the 255/40-17 size. Fabulous performance for the price with minimal tramlining and very little hydroplaning. They are very big for the spec size and make my 245/40-17 Toyos look wimpy. They came from Tirerack with a cool RC electric car on a Yoko promotion. Hap, wimping along with narrow tires in Evergreen, Maguire