Moved to "Wheels, Tires, Brakes & Suspension - Sponsored By Tire Rack"
Alot of the fitment depends on the offset and width of the rim. Typically people run a 215/35/18 as Slayer mentioned.
'14 Tuxedo Black ST3
'13 Ingot Silver Escape Titanium AWD
'04 CD Silver SVT, #877, 1 of 135 May 2011 ROTM, FF11: Best Display, Best of Show; AFN12: Best SVT, Best Audio, Finest Five, Carlisle Nifty Fifty