The AUDI A4 (2001-05) 5DR AVANT 1.8T 163 SPORT is a premium mid-size estate, adding luggage space to the A4 saloon in a practical five-door shape. Its lively turbo petrol engine and Sport trim set it apart from family cars, competing with estate versions of the BMW 3 Series and Mercedes-Benz C-Class. With a roomy boot and cabin, the A4 Avant suits small families, commuters and weekend trips, while staying more manageable than an SUV. The 1.8T Sport appeals to drivers wanting brisk response and settled road manners, but age-related maintenance and fuel costs merit consideration. Mycarcheck.com records 120 checks across 21 distinct VINs. The cars checked averaged 160,000 miles, about 3,000 miles of annual use and nearly seven previous keepers, so checking service and ownership history is worthwhile. The average recorded private-sale valuation was £300; treat this figure as data from checks, not a guaranteed price for an individual car.