I emailed Discout Tire to see if i could get a weight.This is what they said.
Greetings from Discount Tire Direct :
The 18x7.5 weighs approximately 24 pounds and the 17x7 weighs
approximately 22 pounds. We so not recommend either wheel for
your vehicle. If you have any questions please let me know and
I will gladly assist you.
If we can be of further assistance, please reply to this e-mail
or contact us by either of the following methods:
Wonder why they say that when the 18" obviously fits?