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: 85,010 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 is advertised with 85,010 miles, approximately 37,600 above the typical mileage for its age. Its asking price of £29,999 is £285 below the AskCar estimate of £30,284. The AskCar estimate draws on 547 BMW X6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 159 days ago, the asking price has dropped by £3,991. We checked its advertised mileage against the government's MOT record, and they match. The seller is cartime Rochdale, based in Rochdale. 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: £285 (under 1%) under the AskCar estimate of £30,284.

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 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £37,900: the median of the 40 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 159 days.

Price history

AskCar first saw this advert on 30 May 2026 at £33,990. Its asking price is now £29,999, £3,991 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 31 May 2026: £33,990
• 4 June 2026: £33,750
• 29 June 2026: £32,990
• 8 August 2026: £32,584
• 28 August 2026: £32,281
• 20 September 2026: £31,779
• 24 September 2026: £31,650
• 3 October 2026: £31,765
• 6 October 2026: £31,664
• 14 October 2026: £31,256
• 20 October 2026: £31,004
• 4 November 2026: £29,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 May 2027.

It has had 3 MOTs. The latest, on 20 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 85,022 miles, which matches the advertised 85,010 miles.

Advertised mileage is about 37,600 miles higher than the median mileage of a 2021 BMW X6 on AskCar.

Similar cars

31 other 2021 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,080 to £43,500, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 diesel SUV, yellow. Mileage: 83,876 miles. Price: £33,995, £3,996 more than this car. Dealer: KAYENN Prestige in Heywood. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-9cf6749e5b6f
• 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 83,250 miles. Price: £33,989, £3,990 more than this car. Dealer: FTR Performance in Tring. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-514765d1bd8b
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 81,956 miles. Price: £31,080, £1,081 more than this car. Dealer: Evans Halshaw Ford Hull East in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-4b2072a58e57