I don't know about the 16s -the 18s are in the 25-30lb range (I'll find out next week for sure).

To get an idea, look for "wheelweights.com" or something similar. It's a large database of user submitted wheel weights for both factory and aftermarket wheels.

dutchguy, there's no reason to order from the US -you have a larger selection in Europe.
If you look for any 6x139.7 large bore wheels in the US, all you will be able to find are 20+ inch bling wheels.
It's just about impossible to find any quality forged SUV wheels under 19" in the 'States.

Don't limit yourself to the +38 offset -you won't find another in the aftermarket.