2004 Audi RS6 Plus (C5) Avant Quattro 4.2-Litre V8 - #300/999

The Audi RS6 C5 (2002-2004) was the first RS6. Twin-turbo 4.2 V8 with 450hp.

RS6: C5 - turbos expensive, timing belt. C6 - V10 complex, carbon buildup. C7/C8 - 4.0 V8 TT reliable. Air suspension.

Full service history, Low mileage, Manual gearbox (where available), Carbon ceramics, Dynamic package