Used diesel BMW X3 for sale under £30,000

There are 1,280 used diesel BMW X3 under £30,000 for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £18,200 (the median: half cost less, half cost more). The cheapest is £2,190. AskCar lists 3,110 used BMW X3 across the UK, from 1,231 dealerships.

The middle half of the 1,280 cars are priced between £12,000 and £22,500.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

528 of the 1,280 cars had their price reduced in the last 14 days to 10 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202322£29,000£28,000 to £30,000
202265£27,500£26,000 to £29,000
2021113£24,500£23,000 to £26,000
202096£22,500£21,000 to £25,000
2019280£20,000£18,500 to £22,500
2018171£19,300£17,600 to £21,500
2017116£14,600£12,500 to £17,800
2016133£12,500£11,000 to £14,500
201593£10,000£8,500 to £11,900
201467£9,000£6,900 to £10,900
201353£7,000£5,500 to £8,400
201229£7,000£5,000 to £9,000
201125£5,600£4,500 to £6,500

Cars for sale now, page 1 of 13

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 3,051 priced BMW X3 adverts on AskCar as of 10 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.

BMW X3 by gearbox, fuel and body

Diesel BMW X3 by price

BMW X3 prices by year

BMW X3 by price

BMW X3 near you

Diesel cars and vans under £30,000

More BMW

Same budget

Everything