2021 BMW 1 Series SE prices

There are 25 used 2021 BMW 1 Series SE cars for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £12,800 (the median: half cost less, half cost more). The cheapest is £8,699. The middle half are priced between £10,500 and £13,800. Median mileage: about 54,000 miles.

Dealers lowered the asking price on more than a third of 2021 BMW 1 Series SE cars: 9 of the 25 in the 14 days to 7 November 2026.

2021 BMW 1 Series SE prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.5 petrol£12,900Too few for saleToo few for saleToo few for saleToo few for sale

Only 1 of the 2021 BMW 1 Series SE cars for sale have the 2.0 diesel engine, too few to give a typical asking price.

Typical asking prices are of 2021 BMW 1 Series SE cars for sale on 7 November 2026, and are given only where at least 20 cars with a price are for sale.

2021 BMW 1 Series SE against other years

A 2020 BMW 1 Series SE car has a typical asking price of £11,200, as of 7 November 2026.

AskCar lists 7,559 used BMW 1 Series across the UK, from 2,750 dealerships.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 BMW 1 Series SE cars for sale now, 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. 20 of the 22 cars listed here meet these rules. Page 2 lists every other 2021 BMW 1 Series SE car, cheapest first, including the 2 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 7,184 priced BMW 1 Series adverts on AskCar as of 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 BMW 1 Series SE.

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.

This list leaves out 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2021 BMW 1 Series SE: priced furthest below the AskCar estimate

These 10 are priced 0% to 8% under their AskCar estimate. Their asking prices run from £10,480 to £15,499.

Cheapest 2021 BMW 1 Series SE: the lowest asking prices

These 10 are priced £9,990 to £12,799. They have covered 48,631 to 103,000 miles.

Lowest-mileage 2021 BMW 1 Series SE

These 10 have covered 30,204 to 53,915 miles. Their asking prices run from £12,799 to £15,499.

Recently reduced 2021 BMW 1 Series SE: the biggest price reductions in the 14 days to 7 November 2026

The dealer lowered the asking price on each of these 8 in the 14 days to 7 November 2026. Their reductions since AskCar first saw them run from £1 to £1,630.

Newly advertised 2021 BMW 1 Series SE: first seen by AskCar in the 7 days to 7 November 2026

These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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