2021 BMW X6 prices

There are 42 used 2021 BMW X6 cars for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £38,000 (the median: half cost less, half cost more). The cheapest is £29,999. The middle half are priced between £36,500 and £41,000. Median mileage: about 51,000 miles.

Dealers lowered the asking price on more than a third of 2021 BMW X6 cars: 16 of the 42 in the 14 days to 7 November 2026.

2021 BMW X6 prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
3.0 diesel£38,000Too few for saleToo few for saleToo few for saleToo few for sale

Only 3 of the 2021 BMW X6 cars for sale have the 4.4 petrol engine, too few to give a typical asking price.

2021 BMW X6 prices by trim

TrimTypical asking price, 2021 cars
M Sport£38,000

Typical asking prices are of 2021 BMW X6 cars for sale on 7 November 2026, and are given only where at least 20 cars with a price are for sale.

2021 BMW X6 against other years

A 2020 BMW X6 car has a typical asking price of £36,500 and a 2022 one £43,000, as of 7 November 2026.

AskCar lists 560 used BMW X6 across the UK, from 390 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 X6 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. All 41 cars listed here meet these rules. Page 2 lists every other 2021 BMW X6 car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 541 priced BMW X6 adverts on AskCar as of 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 BMW X6.

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 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2021 BMW X6: priced furthest below the AskCar estimate

These 10 are priced 3% to 11% under their AskCar estimate. Their asking prices run from £31,500 to £42,950.

Cheapest 2021 BMW X6: the lowest asking prices

These 10 are priced £29,999 to £36,480. They have covered 35,610 to 85,010 miles.

Lowest-mileage 2021 BMW X6

These 10 have covered 13,923 to 34,000 miles. Their asking prices run from £37,399 to £45,495.

Recently reduced 2021 BMW X6: the biggest price reductions in the 14 days to 7 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 7 November 2026. Their reductions since AskCar first saw them run from £1,000 to £3,991.

Newly advertised 2021 BMW X6: first seen by AskCar in the 7 days to 7 November 2026

These 5 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

BMW X6 by gearbox, fuel and body

BMW X6 prices by year

BMW X6 by trim

2021 BMW X6 by trim

BMW X6 by price

BMW X6 near you

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