The AUDI A4 (2005-08) 5DR AVANT 2.5 TDI 163 SE MTRON AUTO is a five-door premium estate, with useful luggage space and a more polished feel than an ordinary family wagon. In the UK used-car market, it offers an alternative to an SUV for drivers wanting room, comfort and an assured motorway presence without a tall, bulky body. mycarcheck.com usage data shows 31 look-ups covering 18 distinct VINs, a modest sample rather than a full picture of every car. The checks record an average private-sale valuation of £1,100 and average mileage of 169,000; annual mileage averages 10,000, with about five previous keepers. These figures help set expectations when assessing an individual example. Best suited to families, commuters and travellers, the A4 Avant pairs practical space with relaxed automatic driving. Against BMW 3 Series and Mercedes C-Class estates, it is a comfortable choice; its diesel character makes it appealing for longer trips.