http://cars.audiusa.com/next_gen/98006/cpo?p%5Blens%5D=500&p%5Bno%5D=1&s%5Bradius%5D=50000mi&sort=price.asc&v%5BbodyStyle%5D=sedan&v%5BexteriorColor%5D=black&v%5Bline%5D=S4&v%5Btransmission%5D=automatic# Tue, 18 Jun 2013 22:27:01 GMT Feed43 Proxy/1.0 (www.feed43.com) 360