Audi A4 (B6) – Wikipedia

File:2003-2005 Audi S4 (B6) sedan 02.jpg - Wikipedia

The Audi A4: History, Generations, Specifications

File:Audi A4 B6 sedan -- 01-23-2012.jpg - Wikimedia Commons

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Audi A4 - Wikipedia

Audi A4 B5 - Wikidata

The Audi A4: History, Generations, Specifications

Specs for all Audi A4 (B6) versions

Audi A4 (8E) Brake Electronics (Bosch 5.7) - Ross-Tech Wiki

File:Audi b6 s4 2005 rear.png - Wikipedia

File:Audi A4 B6 (2000–2004) rear MJ.JPG - Wikimedia Commons

Specs for all Audi A4 (B6) versions

Audis4b6 - Audi A4 B6 – Wikipedia