2021 BMW X6 M
Price: £51,795. Above the going rate: £20,597 (66%) over the AskCar estimate of £31,198, our expected asking price for this car from its model, age, mileage and specification, drawing on 54 priced BMW X6 M adverts on AskCar as of 6 November 2026.
AskCar lists 56 used BMW X6 M from 53 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: X6 M
- Version: Auto 4WD 5dr
- Year: 2021
- Mileage: 46,655 miles
- Fuel: Petrol
- Body: SUV, 5 doors
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
About this car
This 2021 BMW X6 M has covered 46,655 miles. The dealer is asking £51,795, which is £20,597 above the AskCar estimate of £31,198. To work out the AskCar estimate, we analyse UK dealer adverts for 54 BMW X6 M cars across different ages and specifications. We first recorded this advert 149 days ago, and its asking price has since fallen by £2,200. The advertised mileage is lower than the latest MOT reading of 130,234 miles. Ask the dealer to explain. MOT records show an expiry date of 9 January 2027. You can find this car at UNI Carz in Rotherham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Above the going rate: £20,597 (66%) over the AskCar estimate of £31,198.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 54 priced BMW X6 M adverts across different ages and specifications, as of 6 November 2026.
Time on sale
This 2021 BMW X6 M has been on sale for at least 149 days.
Price history
AskCar first saw this advert on 10 June 2026 at £53,995. Its asking price is now £51,795, £2,200 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 11 August 2026: £53,995
- 2 November 2026: £51,795
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 9 January 2027.
It failed its MOT on 13 December 2025 (nearside front suspension arm ball joint excessively worn) and passed 28 days later, on 10 January 2026.
Advisories at the latest test: rear anti-roll bar pin or bush worn but not resulting in excessive movement both d bush's; rear brake pad(s) wearing thin; offside rear tyre worn close to legal limit/worn on edge 2mm; and 1 more.
Mileage at that test: 130,234 miles. The advert says 46,655 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 17,100 miles higher than the median mileage of a 2021 BMW X6 M on AskCar.
Browse all BMW X6 M cars for sale · 2021 BMW X6 M price guide
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Photos
59 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.