Used automatic BMW 3 Series for sale under £20,000

There are 3,049 used automatic BMW 3 Series under £20,000 for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £13,200 (the median: half cost less, half cost more). The cheapest is £1,499. AskCar lists 6,914 used BMW 3 Series across the UK, from 2,613 dealerships.

The middle half of the 3,049 cars are priced between £9,100 and £17,000.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

860 of the 3,049 cars had their price reduced in the last 14 days to 1 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202344£18,900£17,600 to £19,700
2022182£17,600£15,500 to £19,000
2021308£17,300£15,500 to £19,000
2020304£17,400£15,500 to £18,800
2019423£16,800£14,500 to £18,400
2018292£13,300£11,000 to £15,800
2017271£12,500£10,000 to £15,000
2016292£11,000£9,000 to £13,800
2015244£10,400£8,500 to £12,000
2014191£9,000£7,100 to £10,500
2013147£8,000£6,300 to £9,000
201285£6,200£4,900 to £7,500
201157£5,200£4,000 to £7,000
201043£4,500£3,500 to £6,100
200932£5,000£3,800 to £6,100
200825£5,800£4,000 to £7,000
200732£5,000£3,300 to £6,500

Cars for sale now, page 30 of 31

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 6,652 priced BMW 3 Series adverts on AskCar as of 1 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 and town; AskCar page.

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

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BMW 3 Series by gearbox, fuel and body

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