Used BMW X3 M for sale near Cardiff

There are 4 used BMW X3 M for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 7 November 2026. The cheapest is £41,990. AskCar lists 130 used BMW X3 M across the UK, from 112 dealerships.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

Price reductions near Cardiff

2 of the 4 BMW X3 M within 20 miles of Cardiff had their price reduced in the last 14 days to 7 November 2026. Each one's line in the list below says by how much.

Cars for sale now

Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 128 priced BMW X3 M adverts on AskCar as of 7 November 2026.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.

Cheaper cars like each one, with its price history, are on its AskCar page.

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