I just had 4 Continental WinterContacts, 225-60-17 "H" installed on my factory alloys.These tires are about 3/10s of an inch larger in diameter than the stock Firestones. I always thought that a bigger tire would improve gas mileage but it seems a little bit worse now. Could it be the colder weather or because of the softer and more aggressive tread? I paid $145 installed and balanced at TireCraft in Trenton, ON. I'm going to look for a good set of H or V rated summer tires and new 17 or 18 inch rims over the winter. I'll have a nice bonfire with the crappy Firestones cause thats all they're good for.xcanuk said:Michelin X-Ice 215-65-16 these run slightly smaller that stock 18's
As long as the outer diameter of the tire is pretty close your fine. Within 1/4 inch if possible. More than that "may" mess with the function of sensors with ABS and AWD (it happens on a few other AWD cars so i thought I'd mention). The only issue I can think of fitment wise, is that I beleive the RT uses bigger brakes, since it weighs more, which may not clear a smaller rim than the stock RT size and offset.Dodgy said:Is there a difference, can the two be alternated? I have awd and am looking for some winter rims.