Hi polsta.
This time last year I got rid of my 18" hurricanes and changed to 16" Typhoons fitted with new 255/65 x 16 General Grabber A/T's.
Brilliant tyres, no more tram lining, no noticeable noise on tarmac, good grip, and good off road in the ****ty stuff.
255/65 x 16 is the standard fitment...