The BMW 5 SERIES (2007-10) 520D 4DR SALOON 2.0 177 M SPORT AUTO is a large, premium four-door saloon aimed at buyers wanting more space and comfort than a family hatchback. In the UK used-car market, it sits among executive cars, competing with the Audi A6 and Mercedes-Benz E-Class. mycarcheck.com has recorded 2,130 look-ups and 757 different VINs for this version, a substantial sample. Checks show an average private-sale valuation of £3,000, average recorded mileage of 137,000 miles and annual use of 8,000 miles. Owners averaged around five and a half previous keepers, useful context when reviewing an individual car’s history. With its M Sport styling, automatic gearbox and relaxed diesel character, the 520d suits commuters, families and drivers covering longer journeys who want comfort with an engaging feel. It offers an alternative to rivals, with a desirable badge and roomy cabin; check service records and condition at this age.