The AUDI A4 (2001-05) 5DR AVANT 1.9 TDI 115 is a compact executive estate: a five-door, family-friendly alternative to a conventional hatchback, with extra room for luggage. In the UK used-car market, it sits among premium estates such as the BMW 3 Series Touring and Mercedes-Benz C-Class, offering a more understated take on everyday practicality. With its diesel engine and estate layout, it suits commuters covering regular distances, small families and anyone needing useful boot space without moving to a large SUV. The 1.9 TDI is known for frugal running, while the A4’s comfortable cabin and composed road manners make it a capable long-distance companion. Against mainstream estates, its appeal is the premium feel and solid, discreet design, though older examples may cost more to maintain. Only two Mycarcheck.com checks inform figures, so treat them as indicative: average private-sale value £400, mileage 174,000, annual use 12,000 miles and 6.5 previous keepers.