The BMW Z4 (2009-13) SDRIVE23I 2DR ROADSTER 2.5 204 EU5 HIGHLINE EDITION 6SPD is a two-seat, open-top sports car aimed at buyers wanting something more special than an everyday hatchback. In the UK used-car market, it sits among premium roadsters, offering stylish looks, enjoyable driving and useful everyday usability as well. Mycarcheck.com has recorded 180 look-ups covering 75 different VINs, giving a useful snapshot of buyer interest. The checks show an average private-sale value of £8,700 and average recorded mileage of 69,000 miles. Typical annual mileage is relatively modest at 3,000 miles, while cars have averaged 3.6 previous keepers overall. Its two-seat layout makes it best suited to couples, solo drivers or a second-car owner, rather than family duties. The sDrive23i’s six-speed manual and petrol engine make weekend trips engaging, while the folding roof adds open-air appeal. Against rivals, the Z4 stands out for its long bonnet and rear-drive character.