2020 BMW X6 3.0 30d M Sport

Price: £35,990. Fair price: £747 (2%) under the AskCar estimate of £36,737, 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 4 November 2026.

AskCar lists 561 used BMW X6 from 391 UK dealerships, as of 4 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: 48,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 203 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 BMW X6 M Sport is 48,000 miles. Its asking price of £35,990 is £747 below the AskCar estimate of £36,737. The AskCar estimate uses 547 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. The seller is Strategic Vehicle Solutions, based in Boston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £747 (2%) under the AskCar estimate of £36,737.

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 4 November 2026.

A 2020 BMW X6 with the 3.0 diesel engine is typically advertised at £36,100: the median of the 40 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 BMW X6 advertised 3 days ago.

Price history

AskCar first saw this advert on 1 November 2026 at £35,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 1,700 miles lower than the median mileage of a 2020 BMW X6 on AskCar.

Similar cars

19 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 48,122 miles. Price: £36,000, the same price as this car. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-236aba997950
  • 2020 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 48,600 miles. Price: £35,000, £990 less than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-bfaca245a2d1
  • 2020 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 49,500 miles. Price: £36,990, £1,000 more than this car. Dealer: Premier Vehicle Group in Cheadle. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-84253619d820
  • The nearest: 2020 BMW X6 M Sport, 3.0 diesel SUV, green, 42 miles from this car. Mileage: 36,171 miles. Price: £41,991, £6,001 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-cfcf687a3f63

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

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Photos

75 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.