The BMW 6 SERIES CONVERTIBLE (2015-18) is a large, premium four-seat convertible, aimed at buyers wanting open-air motoring with more comfort and presence than a sports car. In the UK used market, it sits above everyday convertibles, offering a stylish alternative to luxury rivals such as the Mercedes-Benz E-Class Cabriolet. mycarcheck.com recorded 1,133 checks covering 440 different VINs, a useful sample of used-car interest. Across those records, the average private-sale valuation was £22,500, typical recorded mileage was 47,000 miles, and annual mileage averaged 6,000. Cars had around two previous keepers on average, giving shoppers helpful context when comparing individual examples. Best suited to couples, professionals or anyone seeking comfortable touring, the 6 Series Convertible makes drives feel special, while rear seats offer occasional flexibility. Elegant styling, a well-appointed cabin and powerful feel distinguish it from smaller rivals. Running costs exceed mainstream cars, so check history, condition and mileage before buying.