The BMW 5 SERIES (2010-13) 523I 4DR SALOON 3.0 EU5 204 M SPORT 6SPD is a premium four-door saloon, sitting above mainstream family cars in the UK market. It blends a roomy, smart cabin with a sporty M Sport appearance and a traditional manual gearbox, appealing to drivers who want executive comfort with a more involved feel. The 3.0-litre petrol engine makes it well suited to longer commutes, business travel and family journeys, with useful rear-seat space and a comfortable ride. Compared with rivals such as the Audi A6 and Mercedes-Benz E-Class, the 523i stands out for its engaging drive and balanced blend of refinement and sportiness. It is best for buyers who value comfort and driving enjoyment more than low running costs. mycarcheck.com has recorded just seven checks across four VINs, so figures are indicative: average private-sale value £7,000, mileage 65,000 and four previous keepers. Average annual mileage is 6,000.