2021 BMW 8 Series 3.0 840d MHT M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840d MHT M Sport Auto 4WD Euro 6 (335 bhp)
• Year: 2021
• Mileage: 66,664 miles
• Fuel: Diesel, mild hybrid
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 175 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 8 Series M Sport is advertised with 66,664 miles, approximately 22,900 above the typical mileage for its age. Its asking price of £29,700 is £84 above the AskCar estimate of £29,616. The AskCar estimate uses UK dealer asking prices, including 186 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 77 days ago, the asking price has dropped by £3,300. The latest recorded MOT expiry date is 13 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is John Clark BMW Aberdeen, based in Aberdeen. 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: £84 (under 1%) over the AskCar estimate of £29,616.

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 186 priced BMW 8 Series adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW 8 Series with the 3.0 diesel engine is typically advertised at £32,500: the median of the 23 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW 8 Series has been on sale for at least 77 days.

Price history

AskCar first saw this advert on 20 August 2026 at £33,000. Its asking price is now £29,700, £3,300 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 20 August 2026: £33,000
• 1 September 2026: £33,800
• 9 September 2026: £32,700
• 24 September 2026: £31,800
• 5 October 2026: £32,000
• 16 October 2026: £31,000
• 23 October 2026: £30,000
• 24 October 2026: £31,200
• 2 November 2026: £29,900
• 4 November 2026: £29,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 13 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 58,092 miles, which matches the advertised 66,664 miles.

Advertised mileage is about 22,900 miles higher than the median mileage of a 2021 BMW 8 Series on AskCar.