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

There are 3,075 used automatic BMW 3 Series under £20,000 for sale from UK dealers on AskCar, as of 31 October 2026. Typical asking price £13,200 (the median: half cost less, half cost more). The cheapest is £1,499. AskCar lists 6,973 used BMW 3 Series across the UK, from 2,626 dealerships.

The middle half of the 3,075 cars are priced between £9,100 and £17,000.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

883 of the 3,075 cars had their price reduced in the last 14 days to 31 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202345£19,000£17,700 to £19,700
2022184£17,600£15,500 to £19,000
2021312£17,300£15,400 to £18,900
2020303£17,400£15,500 to £18,800
2019422£16,800£14,800 to £18,400
2018294£13,400£11,000 to £15,800
2017276£12,500£10,000 to £15,000
2016296£11,000£9,000 to £13,800
2015246£10,400£8,500 to £12,100
2014195£9,000£7,000 to £10,400
2013150£7,900£6,200 to £9,000
201287£6,000£5,000 to £7,500
201157£5,500£4,300 to £7,100
201044£4,500£3,500 to £6,300
200933£5,000£3,800 to £6,000
200825£5,700£4,000 to £7,000
200730£5,000£3,500 to £7,500

Cars for sale now, page 21 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 6,718 priced BMW 3 Series adverts on AskCar as of 31 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 and town; AskCar page.

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

·

BMW 3 Series by gearbox, fuel and body

Automatic BMW 3 Series by price

BMW 3 Series prices by year

BMW 3 Series by price

BMW 3 Series near you

Automatic cars and vans under £20,000

More BMW

Same budget

Everything