Its old and rusty, but should still work just fine. Will need new bolts as most of them snapped off when I removed it. The fender washers are still usable.
Includes a 5 flat wiring harness.
Does not include a ball mount or pin
I believe its a Curt model 11169. Ive seen them online for around $140.
http://www.etrailer.com/Trailer-Hitch/Audi/A4/1999/11169.html?vehicleid=1999300984
$50 obo (located near Rochester)
■Fits 1998-2001 Audi A4 Avant Wagon Inc. Quattro
■Fits 1996-2001 Audi A4 sedan Inc. Quattro
■Fits 2000-2002 Audi S4 Sedan & Wagon
Dan