The BMW 3 SERIES (1998-06) 320D 4DR SALOON 2.0 SPORT AUTO is a compact executive, four-door diesel saloon: a more grown-up alternative to a family hatchback and a long-standing rival to the Audi A4 and Mercedes-Benz C-Class. Its Sport trim gives this older 3 Series a purposeful, smart character on UK roads. mycarcheck.com has recorded 108 checks across 59 distinct VINs, offering a useful snapshot of cars researched. The average private-sale valuation is £1,000, with average recorded mileage of 130,000 miles and annual use around 9,000 miles. Cars checked had an average of 6.5 previous keepers, so careful history and condition checks matter. Automatic driving suits commuting and longer journeys, while the saloon’s cabin and boot work well for couples or small families. The 320d pairs diesel range with the 3 Series’ composed, enjoyable drive; against mainstream family cars, it feels more premium, but age and upkeep make a thorough check essential.