last generation RS6 wagon? you can probably get one CPO
or if you don’t want reliable and like cheap:
http://www.autotrader.com/fyc/vdp.jsp?car_id=228470161&dealer_id=60894893&car_year=1995&model=S6&num_records=25&make2=&start_year=1981&keywordsfyc=&keywordsrep=&engine=&certified=&body_code=128&fuel=&awsp=false&search_type=both&distance=300&marketZipError=false&search_lang=en&make=AUDI&color=&page_location=findacar%3A%3Aispsearchform&min_price=&body_style=WAGON&drive=&default_sort=priceDESC&max_mileage=&style_flag=2&sort_type=priceDESC&address=14607&advanced=y&end_year=2008&doors=&transmission=Manual&max_price=&cardist=243