Saloon & Estate (Avant) (model range code B6), inc. special/limited editions. Also covers major mechanical features of Cabriolet. Does NOT cover Quattro or S4 models, or new Audi A4 range introduced January 2005. Petrol: 1.8 litre (1781cc) turbo & 2.0 litre (1984cc) 4-cyl, inc. FSI. Does NOT cover 1.6 litre or 6-cyl or V8 petrol engines. Turbo-diesel: 1.9 litre (1896cc) 4-cyl. Does NOT cover 6-cyl diesel engines.