The BMW 3 SERIES (2005-12) 320D 4DR SALOON 2.0D EDITION ES AUTO is a four-door, diesel-powered compact executive saloon, aimed at buyers wanting more comfort and polish than a mainstream family car. In the UK, the 3 Series is a familiar alternative to the Audi A4 and Mercedes-Benz C-Class, with a smart, understated look and an enjoyable drive. mycarcheck.com has recorded 15 look-ups covering six distinct VINs, so these figures offer a useful snapshot rather than a broad market survey. Across those checks, average private-sale valuation was £1,900, average recorded mileage 165,000 miles, and average annual mileage 7,000. The cars averaged around six and a half previous keepers, making a history check especially worthwhile. This automatic diesel saloon suits commuters and small families who value a comfortable cabin, motorway-friendly range and composed, engaging feel. Compared with rivals, its appeal is the balance of premium image, practicality and driver enjoyment.