Used plug-in hybrid BMW 3 Series for sale under £20,000

There are 596 used plug-in hybrid BMW 3 Series under £20,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £16,400 (the median: half cost less, half cost more). The cheapest is £5,290. AskCar lists 7,078 used BMW 3 Series across the UK, from 2,699 dealerships.

The middle half of the 596 cars are priced between £13,500 and £18,300.

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.

200 of the 596 cars had their price reduced in the last 14 days to 29 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202342£18,900£17,600 to £19,700
2022146£17,300£15,300 to £18,700
2021150£16,400£14,700 to £18,300
2020117£17,000£14,700 to £18,300
201965£15,700£13,000 to £17,100
201820£10,400£8,400 to £11,800
201734£9,500£8,600 to £10,500
201621£8,500£7,000 to £10,500

Cars for sale now, page 1 of 6

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 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

Plug-in hybrid BMW 3 Series by price

BMW 3 Series prices by year

BMW 3 Series by price

BMW 3 Series near you

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