Back in 1999 I got a rack like that with a 1991 Subaru Legacy wagon that I bought. I didn't like it though, I thought the bikes wobbled side to side too much. I got rid of it and got a pair of Yakima fork mounts and trays (Velo Vise, I think) that attached to the factory crossbars. I had to mount the trays backwards as they were so long that the lift gate would hit them when open.
Some friends of mine have a rack like that on their 2007 Subaru. They put their custom Seven bikes ($$) on it, so I guess it works ok for them.
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