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 Steptronic 4WD Euro 6 (s/s) 2dr (335 bhp)
• Year: 2021
• Mileage: 55,000 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,000 miles on the clock, this 2021 BMW 8 Series M Sport has done roughly 11,300 more miles than a typical 2021 BMW 8 Series. The AskCar estimate for this car is £31,702. It is priced at £31,950, which is £248 above that estimate. The AskCar estimate uses UK dealer asking prices, including 186 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 142 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. It is advertised by Magee Automotive in Lisburn. 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: £248 (under 1%) over the AskCar estimate of £31,702.

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 142 days.

Price history

AskCar first saw this advert on 16 June 2026 at £32,950. Its asking price is now £31,950, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 16 June 2026: £32,950
• 22 October 2026: £32,250
• 4 November 2026: £31,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 May 2027.

It has had 4 MOTs. The latest, on 12 May 2026, passed.

Advisories at the latest test: front oil leak, but not excessive around turbo feed pipe; rear prop shaft flexible coupling slightly deteriorated.

Mileage at that test: 54,704 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 11,300 miles higher than the median mileage of a 2021 BMW 8 Series on AskCar.

Similar cars

1 other 2021 BMW 8 Series M Sport 3.0 diesel automatic coupe is for sale at UK dealers, as of 5 November 2026.

The closest to this car in mileage:

• 2021 BMW 8 Series M Sport, 3.0 diesel coupe, black. Mileage: 48,992 miles. Price: £31,980, the same price as this car. Dealer: Oakdene Collection in Alfreton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-8fbc62ba4fbd