2003 Audi A4 Review: New Car Test Drive - New Car Test Drive reviews the various incarnations of the Audi A4 series. - http://www.newcartestdrive.com/review-intro.cfm?ReviewID=1308
Carol's Audi A4 Logbook - Site dedicated to owner's Audi A4 1.8T Quattro. Includes pictures. - http://www.fastaudi.net
New Car Net: 2000 A4 1.8 T Quattro - Graham Whyte gives a brief history of the Audi "Quattro" system, with little model specific information. - http://www.newcarnet.co.uk/mag_latest_rtest.html?id=0
New Car Net: 2001 A4 V6 TDi Quattro - Graham Whyte roadtests the 2001 model. Discusses the differences from the previous years' model and gives basic technical specifications. - http://www.newcarnet.co.uk/mag_latest_rtest.html?id=206