2021 BMW X6 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
• Year: 2021
• Mileage: 68,825 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 177 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport has covered 68,825 miles. The dealer is asking £32,495, which is £1,149 below the AskCar estimate of £33,644. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. Since we first spotted the advert 76 days ago, the asking price has dropped by £2,500. The last MOT shows 69,552 miles, more than the advert. This is worth checking with the dealer. Its MOT is recorded as valid until 30 September 2027. The seller is Stoneacre, based in Worksop. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,149 (3%) under the AskCar estimate of £33,644.

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 6 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £37,900: the median of the 39 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 76 days.

Price history

AskCar first saw this advert on 22 August 2026 at £34,995. Its asking price is now £32,495, £2,500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 22 August 2026: £34,995
• 28 August 2026: £34,795
• 17 September 2026: £34,495
• 23 September 2026: £33,995
• 14 October 2026: £32,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 September 2027.

It has had 4 MOTs. The latest, on 1 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,552 miles. The advert says 68,825 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 20,400 miles higher than the median mileage of a 2021 BMW X6 on AskCar.

Similar cars

30 other 2021 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £29,999 to £43,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 69,515 miles. Price: £34,480, £1,985 more than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-8405768d3033
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 71,472 miles. Price: £32,995, £500 more than this car. Dealer: Lookers in Newtownards. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-eeabed12dd53
• 2021 BMW X6 M Sport, 3.0 diesel SUV, green. Mileage: 64,900 miles. Price: £37,490, £4,995 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-d8b89ca23fd5