2020 BMW X6 3.0 M50d

Price: £39,995. Fair price: £1,152 (2%) under the AskCar estimate of £41,147, our expected asking price for this car from its model, age, mileage and specification, drawing on 541 priced BMW X6 adverts on AskCar as of 7 November 2026.

AskCar lists 560 used BMW X6 from 390 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Version: 3.0 M50d Auto 4WD Euro 6 (s/s) 5dr (395 bhp)
  • Year: 2020
  • Mileage: 42,735 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 395 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 218 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X6 is advertised with 42,735 miles, approximately 8,100 below the typical mileage for its age. Priced at £39,995, it is advertised £1,152 below the AskCar estimate of £41,147. The AskCar estimate uses UK dealer asking prices, including 541 BMW X6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 78 days ago. Its asking price has since fallen by £455. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Calder Motor Co in East Calder. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,152 (2%) under the AskCar estimate of £41,147.

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 541 priced BMW X6 adverts across different ages and specifications, as of 7 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 7 November 2026.

Time on sale

This 2020 BMW X6 has been on sale for at least 78 days.

Price history

AskCar first saw this advert on 21 August 2026 at £40,450. Its asking price is now £39,995, £455 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

  • 21 August 2026: £40,450
  • 14 October 2026: £39,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 July 2027.

It has had 5 MOTs. The latest, on 14 July 2026, passed.

Advisories at the latest test: oil leak, but not excessive rear diff leaking oil; front registration plate deteriorated but not likely to be misread; nearside front lower suspension arm pin or bush worn but not resulting in excessive movement frontmost bush; and 1 more.

Mileage at that test: 42,261 miles, which matches the advertised 42,735 miles.

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

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

More like this

Photos

35 photos of this car are on its AskCar page.

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.