I have a opportunity to pick up a set of sport techno wheels from a 955 Cayanne Brand new. The tires all around are 275/45/20. Now I know they fit in terms of size but are the offsets or anything different. Tried searching and I just get pictures if the wheels.

Any info would help.

 

Check the TSBs and find out if the offsets are compatible. I want to say I have read that they won't work. I don't remember for sure, but it might have had something to do with the brakes. Google it- I'm sure you'll find the answer. Hopefully the one you want.
Good luck, and post a pic of your car when you get whichever set of wheels you decide on.