Used diesel BMW 3 Series for sale near Cardiff

There are 49 used diesel BMW 3 Series for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 29 October 2026. Typical asking price £9,500 (the median: half cost less, half cost more). The cheapest is £1,000. AskCar lists 7,078 used BMW 3 Series across the UK, from 2,699 dealerships.

The middle half of the 49 cars are priced between £7,000 and £15,900.

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 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

6 cars within 20 miles had their price reduced in the last 14 days to 29 October 2026. Of those priced between £1,000 and £60,000, these 6 have the biggest reductions in pounds since AskCar first saw them.

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 6,692 priced BMW 3 Series adverts on AskCar as of 29 October 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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BMW 3 Series near Cardiff by price

BMW 3 Series across the UK by price

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