For your 2000 Volvo S80 sedan you would need SportRack Roof Rack # SR1002. The other one, # SR1005, will not fit. I have included a link to a video review for you. view full answer...
The only trailer hitch receiver they offer for your 2005 Volvo S80 is the Curt Trailer Hitch Receiver part # C12285 which has a 1-1/4" receiver tube opening. Therefore, no they do not offer a trailer hitch receiver with a 2" receiver tube opening on your 2005 Volvo S80. You can obtain a 2" receiver tube opening by using the Curt Trailer Hitch Receiver Adapter part # C45785 but please keep in mind that this will reduce the weight capacity of your trailer hitch by 50%.
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