2021 BMW 3 Series prices

690 cars from UK dealers, updated 28 October 2026. Typical asking price £20,500.

AskCar lists 584,857 cars from 12,986 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.

Half of the 690 priced 2021 BMW 3 Series cars for sale are priced between £17,900 and £24,000.

Typical mileage 54,000 miles.

274 have had their price cut since they were first listed.

Is the price fair?

The prices above describe the cars currently advertised. They are not a valuation of every car of this model and year. Open a car to see its expected asking price, adjusted for mileage and specification, alongside the available evidence.