Used BMW 3 Series for sale under £20,000 near Dartford

231 cars from UK dealers within 20 miles of Dartford, updated 26 October 2026. Typical asking price £11,000. Half of them are priced between £6,900 and £15,800.

AskCar lists 579,238 cars from 12,980 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.

Price cuts near Dartford

72 cars within 20 miles have had their price cut since they were first listed.

2023 BMW 3 Series, 74,236 miles, £18,800, cut by £2,899, Upminster
2019 BMW 3 Series, 87,192 miles, £17,410, cut by £2,356, Rainham
2015 BMW 3 Series, 64,258 miles, £7,988, cut by £2,099, Romford
2021 BMW 3 Series, 84,000 miles, £14,750, cut by £2,000, Maidstone
2019 BMW 3 Series, 65,414 miles, £17,988, cut by £2,000, Romford
2019 BMW 3 Series, 57,650 miles, £17,000, cut by £1,950, Barking
2019 BMW 3 Series, 126,785 miles, £9,450, cut by £1,850, West Thurrock
2022 BMW 3 Series, 82,021 miles, £15,250, cut by £1,850, Blue Bell Hill

Typical price by year

Year	For sale	Typical price	Half are priced between
2021	20	£16,900	£15,000 to £17,400
2020	20	£15,900	£13,900 to £17,200
2019	25	£15,500	£13,000 to £18,000
2017	21	£10,800	£8,800 to £14,800
2016	23	£9,000	£8,400 to £11,700