The BMW X4 (2021-25) M40D XDRIVE 5DR SUV 3.0D MHT 340 DPFR SS EU6 AUTO8 is a premium, coupe-styled mid-size SUV. It combines a raised driving position with a sloping roof and sportier looks. In the UK, it sits above mainstream family SUVs, competing with the Audi Q5 Sportback and Mercedes-Benz GLC Coupe. mycarcheck.com has recorded 266 checks across 127 different VINs, offering a useful snapshot of used-car interest. The checks show an average private-sale valuation of £44,800 and average recorded mileage of 29,000 miles; average annual mileage is 13,000. The sample also suggests fewer than one previous keeper on average, though individual cars vary. With strong performance, all-weather grip and comfortable long-distance manners, this diesel mild-hybrid suits commuters and families wanting a premium, fast SUV. It feels more distinctive than a conventional rival, but its sloping roof can mean less rear headroom and boot practicality.