2025 BMW 1 Series prices under £20,000

There are 20 used 2025 BMW 1 Series cars for sale under £20,000 from UK dealers on AskCar, as of 12 November 2026. Typical asking price £19,300 (the median: half cost less, half cost more). The cheapest is £8,500. The middle half are priced between £19,000 and £19,800. Median mileage: about 39,000 miles.

Dealers lowered the asking price on more than half of 2025 BMW 1 Series cars under £20,000: 12 of the 20 in the 14 days to 12 November 2026.

AskCar lists 7,424 used BMW 1 Series across the UK, from 2,732 dealerships.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2025 BMW 1 Series cars for sale now under £20,000, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 17 of the 20 cars listed here meet these rules. Page 2 lists every other 2025 BMW 1 Series car, cheapest first, including the 3 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 7,224 priced BMW 1 Series adverts on AskCar as of 12 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2025 BMW 1 Series.

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. Each car's AskCar page has its full price history and cheaper cars like it.

Best value 2025 BMW 1 Series: priced furthest below the AskCar estimate

These 10 are priced 1% to 16% under their AskCar estimate. Their asking prices run from £18,199 to £19,498.

Cheapest 2025 BMW 1 Series: the lowest asking prices

These 10 are priced £18,199 to £19,440. They have covered 9,179 to 45,166 miles.

Lowest-mileage 2025 BMW 1 Series

These 10 have covered 9,179 to 40,355 miles. Their asking prices run from £18,900 to £19,999.

Recently reduced 2025 BMW 1 Series: the biggest price reductions in the 14 days to 12 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 12 November 2026. Their reductions since AskCar first saw them run from £300 to £2,754.

Newly advertised 2025 BMW 1 Series: first seen by AskCar in the 7 days to 12 November 2026

This car is the most recently advertised.

BMW 1 Series by gearbox, fuel and body

BMW 1 Series under £20,000 by gearbox, fuel and body

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