The AUDI A4 (2005-08) 4DR SALOON 3.0 TDI QUATTRO 204 S LINE is a premium four-door family saloon, sitting in the UK market alongside the BMW 3 Series and Mercedes-Benz C-Class. It combines smart, understated styling with a strong diesel engine and four-wheel drive, offering a more assured, grown-up alternative to ordinary family cars. mycarcheck.com has recorded 169 look-ups covering 51 different VINs, a useful sample of cars checked. The average private-sale valuation is £1,000, with recorded mileage averaging 153,000 miles and annual use around 8,000 miles. Checks also show nearly six previous keepers on average, so reviewing each car’s history is especially worthwhile. This A4 suits commuters and families seeking comfortable long-distance travel, all-weather confidence and strong overtaking. S line styling and a composed cabin feel more upmarket than mainstream rivals. At this age, check service history and budget carefully for running costs and repairs before you buy one.