The BMW X3 (2021-24) is a premium mid-size SUV, offering more space and a higher driving position than a family hatchback without feeling as bulky as a large 4x4. It sits firmly in the UK’s popular family-SUV market, where it competes with the Audi Q5, Mercedes-Benz GLC and Volvo XC60. mycarcheck.com has recorded 6,217 checks covering 3,787 VINs, giving a useful snapshot of used-car interest. The average private-sale valuation is £40,800, while average recorded mileage is 30,000 miles and annual mileage is 8,000. Checks show around 0.6 previous keepers on average, suggesting many examples have had relatively few owners. For families, commuters and drivers wanting versatility, the BMW X3 (2021-24) combines a comfortable cabin, useful boot and confident road manners. It feels polished and engaging beside mainstream SUVs, while delivering the practicality expected in its class. As a used BMW X3, it suits buyers seeking comfort, everyday flexibility and appeal.