Quote Originally Posted by circmand View Post
Nice having that protection however need weighed off against the performance loss. Apparently the guys of Top Gear UK are not fans of run flats and bask MB as making them the only option on some of their cars
What do the guys of Top Gear cite as causing a performance loss on run-flats? Do they weight more? Is it something to do with different construction requirements of the sidewalls? I'd never known that run-flats had lower performance characteristics when compared to regular tires.