2020 BMW X6 3.0 30d M Sport

Price: £34,640. Fair price: £622 (1%) under the AskCar estimate of £35,262, our expected asking price for this car from its model, age, mileage and specification, drawing on 547 priced BMW X6 adverts on AskCar as of 5 November 2026.

AskCar lists 563 used BMW X6 from 394 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Trim: M Sport
  • Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
  • Year: 2020
  • Mileage: 58,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 203 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X6 M Sport is advertised with 58,000 miles, approximately 8,100 above the typical mileage for its age. Priced at £34,640, it is advertised £622 below the AskCar estimate of £35,262. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 117 days ago. Its asking price has since fallen by £1,350. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Phantom Motor Company in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £622 (1%) under the AskCar estimate of £35,262.

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 547 priced BMW X6 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X6 with the 3.0 diesel engine is typically advertised at £36,000: the median of the 39 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X6 has been on sale for at least 117 days.

Price history

AskCar first saw this advert on 11 July 2026 at £35,990. Its asking price is now £34,640, £1,350 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

  • 11 July 2026: £35,990
  • 17 October 2026: £34,640

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 8 June 2027.

It has had 3 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,361 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 8,100 miles higher than the median mileage of a 2020 BMW X6 on AskCar.

Similar cars

18 other 2020 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £27,495 to £41,991, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 60,588 miles. Price: £34,975, £335 more than this car. Dealer: Group 1 Borehamwood BMW in Borehamwood. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-ffd8a5495d95
  • 2020 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 60,685 miles. Price: £35,000, £360 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-0a0382b25e2b
  • 2020 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 61,000 miles. Price: £33,990, £650 less than this car. Dealer: Nelsons Cars in Landulph. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-9be5b7311409
  • The nearest: 2020 BMW X6 M Sport, 3.0 diesel SUV, grey, 17 miles from this car. Mileage: 49,500 miles. Price: £36,990, £2,350 more than this car. Dealer: Premier Vehicle Group in Cheadle. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-84253619d820

Browse all BMW X6 cars for sale · 2020 BMW X6 price guide

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Photos

48 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.