Used BMW M3 for sale near Cardiff

There are 6 used BMW M3 for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 4 November 2026. The cheapest is £18,995. AskCar lists 808 used BMW M3 across the UK, from 468 dealerships.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 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 6 BMW M3 within 20 miles of Cardiff had their price reduced in the last 14 days to 4 November 2026.

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 752 priced BMW M3 adverts on AskCar as of 4 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.

BMW M3 across the UK by price

More near Cardiff

More BMW

Everything