2021 BMW X6 3.0 M Sport

Price: £37,995. Fair price: £1,040 (2%) over the AskCar estimate of £36,955, 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 M Sport Auto 4WD Euro 6 5dr
  • Year: 2021
  • Mileage: 56,368 miles
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 177 g/km
  • Emissions standard: Euro 6

About this car

At 56,368 miles, this 2021 BMW X6 M Sport has covered about 9,000 more miles than other 2021 BMW X6 cars. Priced at £37,995, it is advertised £1,040 above the AskCar estimate of £36,955. The AskCar estimate draws on 547 BMW X6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at Agnew Group Bavarian BMW in Belfast. 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: £1,040 (2%) over the AskCar estimate of £36,955.

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.

Time on sale

AskCar first saw this 2021 BMW X6 advertised 1 day ago.

Price history

AskCar first saw this advert on 4 November 2026 at £37,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 November 2027.

It has had one MOT, on 13 November 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 44,298 miles, which matches the advertised 56,368 miles.

Advertised mileage is about 9,000 miles higher than the median mileage of a 2021 BMW X6 on AskCar.

Browse all BMW X6 cars for sale · 2021 BMW X6 price guide

More like this

Photos

39 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.