There are so many parts that are wagon-specific that I'd be hard pressed to pass on that if I were you. Maybe, as lietuviai suggested, try negotiating the buyout down and let that be your deciding factor. Can you store it for a couple months until you can start parting it out? The rear hatch, taillights, SLS parts, third row seats, etc... can really bring some decent $, and you could help out some forum members in the process. Alternatively, post it in the car classifieds here and see if anyone else would be interested at your buyout price plus a few dollars for your trouble.

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)