Originally Posted by ersin
Why would tires be lighter? To keep the same rolling diameter the tires need to be bigger, i.e. higher sidewalls. This makes the tire heavier. What is wanted is lighter wheel and tire combo. Smaller wheel, heavier tire and vice versa. Going to smaller wheels does not automatically make the combo lighter.
Very true. The 18 inch tires are in fact 1-2 lbs heavier than the 19s. It makes me think that perhaps the difference between the cast 18s and forged 19s might indeed be a wash.