The BMW 5 SERIES (2007-10) 523I 4DR SALOON 2.5 190 SE AUTO is a large petrol executive car, positioned above mainstream family saloons in comfort. Its roomy cabin and SE trim offer refinement and relaxed travel, a well-equipped alternative to an SUV, rather than a city car or sporty coupe. mycarcheck.com has 179 look-ups across 82 distinct VINs for this model. Checks show average mileage of 104,000 miles, annual use of 5,000 miles and around 4.6 previous keepers. The average private-sale valuation is £2,800; treat it as a guide, since condition, service history and location affect each car’s price. Comfortable on longer trips, the BMW 523i suits commuters, business drivers and small families valuing space and refinement. Its smooth six-cylinder engine feels more engaging than many ordinary saloons, though fuel costs may exceed a family hatchback. It rivals the Mercedes-Benz E-Class and Audi A6 for premium comfort and quality.