The AUDI A6 (1997-04) 4DR SALOON 1.9 TDI 110 SE is a large, four-door executive saloon aimed at buyers wanting more space and comfort than a family hatchback. In the UK used-car market, it sits among premium choices such as the BMW 5 Series and Mercedes-Benz E-Class, but is now an older, budget-priced option. mycarcheck.com records only two look-ups, covering two VINs, so its figures are a small snapshot rather than a broad market average. Those checks show an average private-sale valuation of £300, 159,000 miles recorded, around 15,000 miles driven annually and 5.5 previous keepers on average. The 1.9-litre diesel makes this A6 suited to commuting and longer journeys, with a roomy cabin and comfortable feel appealing to couples or families. Its efficient, durable reputation helped it compete with German rivals, although age, condition and maintenance matter greatly; inspect any example carefully, especially with high mileage and several past keepers.