Audi A6 1997-2001 (C5) Audi A8 1995-2003 (D2 Chassis) Audi A6 1997-2001 (C5)Audi A8 1995-2003 (D2 Chassis)Headunit Installation RequirementsYou will needFacia - Single DIN : RequiredFacia - Double DIN: RequiredSteering Wheel Control Harness: Required, also requires radio brand specific patch leadPrimary Harness: Required, may require a secondary harnessAntenna Adaptor: Required Please enable javascript to use this siteImages About this VehicleDates: Jan 2002 through Jan 2004Manufacturer: AudiSub-Model: C5Chassis Type: SedanPlace of Origin: GermanyTags: FaceliftAudiC5A6Audi A6 (C5) In 2002, the A6 received a facelift, with revised headlight and grille design, exposed exhaust tips, and slight changes to accessory body moldings, and taillight colour from red to amber in North American models. A new host of engines were also introduced. Information provided by: http://en.wikipedia.org/wiki/Audi_A6#C4 Speaker CavitiesFront: 5-1/4"Rear: 6-1/2" ‹ Audi A6 1997-2001 (C5) Audi Audi A8 1995-2003 (D2 Chassis) ›