2020 BMW X6 M prices

There are 8 used 2020 BMW X6 M cars for sale from UK dealers on AskCar, as of 8 November 2026. The cheapest is £37,990.

Dealers lowered the asking price on more than a third of 2020 BMW X6 M cars: 4 of the 8 in the 14 days to 8 November 2026.

AskCar lists 56 used BMW X6 M across the UK, from 51 dealerships.

As of 8 November 2026, AskCar lists 595,762 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.

2020 BMW X6 M cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. 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 8 cars listed here meet these rules.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 54 priced BMW X6 M adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 BMW X6 M.

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 2020 BMW X6 M: priced furthest below the AskCar estimate

Their asking prices run from £37,990 to £54,995.

Cheapest 2020 BMW X6 M: the lowest asking prices

These 8 are priced £37,990 to £54,995. They have covered 22,012 to 58,647 miles.

Lowest-mileage 2020 BMW X6 M

These 8 have covered 22,012 to 58,647 miles. Their asking prices run from £37,990 to £54,995.

Recently reduced 2020 BMW X6 M: the biggest price reductions in the 14 days to 8 November 2026

The dealer lowered the asking price on each of these 4 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £2,000 to £4,090.

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