I've got a nice 99 A6 Quattro for sale that's in great shape. It's got almost every option you could get in 99. It's Gold with tan/ivory leather, Bose stero, CD changer, power sun roof, auto with triptronic, nice tires...etc...88k miles.
Asking around $12,500 obo.
Email for pics.
Located in Salt Lake City, Utah.