2018 BMW X6 M prices
There are 2 used 2018 BMW X6 M cars for sale from UK dealers on AskCar, as of 7 November 2026. The cheapest is £23,990.
Dealers lowered the asking price on more than a third of 2018 BMW X6 M cars: 1 of the 2 in the 14 days to 7 November 2026.
AskCar lists 56 used BMW X6 M across the UK, from 53 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.
2018 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, 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 2 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 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 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 2018 BMW X6 M: priced furthest below the AskCar estimate
Their asking prices run from £23,990 to £30,000.
- 2018 BMW X6 M 4.4 BiTurbo V8, 575 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 63,108 miles. Price: £23,990, reduced by £3,000 from £26,990 since AskCar first saw it on 30 September 2026, 38 days ago. Good value: £4,488 (15%) under the AskCar estimate of £28,478. Euro 6 emissions standard. ULEZ compliant. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2018-d735b3aacffd
- 2018 BMW X6 M 4.4 BiTurbo V8, 575 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 55,000 miles. Price: £30,000, unchanged since AskCar first saw it on 4 November 2026, 3 days ago. Fair price: £27 (under 1%) over the AskCar estimate of £29,973. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 October 2027. Dealer: Whitethor Cars in Coalville. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2018-ad5e5135ccaa
Cheapest 2018 BMW X6 M: the lowest asking prices
These 2 are priced £23,990 to £30,000. They have covered 55,000 to 63,108 miles.
- 2018 BMW X6 M 4.4 BiTurbo V8: £23,990, 63,108 miles. Listed in full under best value.
- 2018 BMW X6 M 4.4 BiTurbo V8: £30,000, 55,000 miles. Listed in full under best value.
Lowest-mileage 2018 BMW X6 M
These 2 have covered 55,000 to 63,108 miles. Their asking prices run from £23,990 to £30,000.
- 2018 BMW X6 M 4.4 BiTurbo V8: £30,000, 55,000 miles. Listed in full under best value.
- 2018 BMW X6 M 4.4 BiTurbo V8: £23,990, 63,108 miles. Listed in full under best value.
Recently reduced 2018 BMW X6 M: the biggest price reductions in the 14 days to 7 November 2026
The dealer lowered the asking price on this car in the 14 days to 7 November 2026.
- 2018 BMW X6 M 4.4 BiTurbo V8: £23,990, 63,108 miles. Listed in full under best value.
Newly advertised 2018 BMW X6 M: first seen by AskCar in the 7 days to 7 November 2026
This car is the most recently advertised.
- 2018 BMW X6 M 4.4 BiTurbo V8: £30,000, 55,000 miles. Listed in full under best value.
BMW X6 M by trim
BMW X6 M near you
- In England (51 cars)
- In Scotland (3 cars)
- In Wales (2 cars)
- Near London (12 cars)
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- Near Richmond upon Thames (9 cars)
- Near Hillingdon (8 cars)
- Near Stevenage (8 cars)
- Near Northwich (8 cars)
- Near Havering (7 cars)
- Near Egham (7 cars)
- Near Berkhamsted (7 cars)
- Near Sutton (6 cars)
- Near Luton (6 cars)
- Near Wakefield (6 cars)
- Near Wigan (6 cars)
- Near Barnsley (6 cars)
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